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The Indian Bhartiya Vāyu Senā is the air arm of the . Its primary responsibility is to secure Indian airspace and to conduct during a conflict. It was officially established on 8 October 1932 as an auxiliary air force of the Indian Empire and the prefix Royal was added in 1945 in recognition of its services during World War II. After achieved independence from the in 1947, the Royal served the Union of India, with the prefix being dropped when India became a republic in 1950.

Since independence, the IAF has been involved in four wars with neighbouringPakistan and one with the People's

Republic of China. Other major operations undertaken by the IAF include Operation Vijay - the invasion of Goa, OperationMeghdoot, Operation Cactus and Operation Poomalai. Apart from conflicts, the IAF has been an active participant in peacekeeping missions.

The President of India serves as the Commander-in-Chief of the IAF. The Chief of Air Staff, an Air Chief Marshal (ACM), is a four star commander and commands the Air Force. There is never more than one serving ACM at any given time in the IAF. One Arjan Singh , DFC has been conferred the rank of Marshal of the Air Force, a 5-star rank and the officer serves as the ceremonial chief.

With strength of approximately 170,000 personnel and 1,300 aircraft, the Indian Air Force is the world's fourth largest air force after the Air Force, and China's People's Liberation Army

Force. In recent years, the IAF has undertaken an ambitious expansion and modernisation program to replace its aging Soviet-era fighter jets.

Mission

The IAF's mission is defined by the Armed Forces Act of 1947, Constitution of India and the Air Force Act of 1950,[6] in the aerial battlespace, as:

Defence of India and every part thereof including preparation for defence and all such acts as may be conducive in times ³ of war to its prosecution and after its termination to effective demobilisation. ´

. The IAF also operates the Integrated Space Cell together with the other two branches of the Indian Armed Forces, the civilian Department of Space and the Indian Space Research Organization (ISRO) to utilize more effectively the country's space-based assets for military purposes and to look into threats to these assets.[7][8]

The Indian Air Force along with the other branches of the Indian Armed Forces provide assistance in disaster relief such as during natural calamities by undertaking evacuation or search-and-rescue (SAR) operations and air dropping relief supplies in affected areas.[9] The IAF provided extensive assistance to relief operations during natural calamities such as the Gujarat cyclone in 1998 and the Tsunami in 2004.[9]The IAF also provides assistance to other countries during relief activities such as Operation Rainbow in Sri Lanka.[9]

History The Indian Air Force was established in British India as an auxiliary air force[10] of the with the enactment of the Indian Air Force Act 1932 on 8 October that year[11][12] and adopted the Royal Air Force uniforms , badges, brevets and insignia.[13] On 1 April 1933, the IAF commissioned its first , No.1 Squadron, with four Westland Wapiti biplanes and five Indian pilots. The Indian pilots were led by Lieutenant (later Air Vice Marshal) Cecil Bouchier.[14] Until 1938, No. 1 Squadron remained the only squadron of the IAF, though two moreflights were added.[14]

During World War II, the red blob was removed from the IAF to eliminate confusion with the Japanese Red Sun Emblem.[13] The Air Force grew to seven squadrons in 1943 and to nine squadrons in 1945.[14] The IAF helped in blocking the advance of the Japanese army in Burma, where its first air strike was on the Japanese military base in Arakan. It also carried out strike missions against the Japanese airbases at Mae Hong Son, Chiang Mai and Chiang Rai in northern Thailand. In recognition of the crucial role played by the IAF, King George VI conferred it the prefix "Royal" in 1945.[12][15] During the war, many youth joined the . Forty five of them (known as the Tokyo Boys) were sent to train as fighter pilots at the Imperial Japanese Army Air Force Academy in 1944 by .[16] After the war, they were interned by the Allies and were court-martialled. After Indian independence, some of them rejoined the IAF for service.[16] First years of independence (1947±1950)

After gaining independence from the British Empire in 1947, British India was partitioned into the new states of the Union of India and theDominion of Pakistan. Along the lines of the geographical partition, the assets of the air force were divided between the new countries. India's air force retained the name of the Royal Indian Air Force, but three of the ten operational squadrons and facilities, located within the borders of Pakistan, were transferred to the Royal .[17] The RIAF Roundel was changed to an interim 'Chakra' roundel derived from the Ashoka Chakra.[13]

Around the same time, conflict broke out between them over the control of the princely state of Jammu & . With Pakistani forces moving into the state, its Maharaja decided to accede to India in order to receive military help.[18] The day after instrument of accession was signed, the RIAF was called upon to troops into the war-zone.[18] This led to the eruption of full scale war between India and Pakistan, though there was no formal declaration of war.[19] During the war, the RIAF did not engage the Pakistan Air Force in air-to-air combat; however, it did provide effective transport and to the Indian troops.[20]

When India became a republic in 1950, the prefix 'Royal' was dropped from the Indian Air Force.[12] At the same time, the current IAF roundel was adapted.[13] [edit]Congo crisis and liberation of Goa (1960±1961)

The IAF saw significant conflict in 1960, when Belgium's 75-year rule over Congo ended abruptly, engulfing the nation in widespread violence and rebellion.[21] IAF sent No. 5 Squadron, equipped with English Electric Canberra, to support United Nations Operation in the Congo. The squadron started undertaking operational missions in November.[22] The unit remained there until 1966, when the UN mission ended.[22]Operating from Leopoldville and Kamina, the Canberras soon destroyed the rebel Air Force and provided the UN ground forces with its only long-range air support force.[23]

In late 1961, the Indian government decided to deploy the armed forces in an effort to evict the Portuguese out of Goa and other Enclaves after years of negotiation.[24] The Indian Air Force was requested to provide support elements to the ground force in what was calledOperation Vijay. Probing flights by some fighters and bombers were carried out from 8±18 December to draw out the , but to no avail.[24] On December 18, two waves of Canberra bombers bombed the runway of Dabolim airfield taking care not to the Terminals and the ATC tower. Two Portuguese transport air craft (a Super Constellation and a DC-6) found on the airfield were left alone so that they can be captured intact. However the Portuguese pilots managed to take off the aircraft from the still damaged airfield and made their getaway to .[24] Hunters attacked the wireless station at Bambolim. Vampires were used to provide air support to the ground forces.[24] In Daman, Mystères were used to strike Portuguese gun positions.[24] Ouragans (called Toofanis in the IAF) bombed the runways at Diu and destroyed the control tower, wireless station and the meteorological station.[24] Border disputes and changes in the IAF (1962±1971) n 1962, border disagreements between China and India escalated to a war when China mobilised its troops across the Indian border.[25] During the Sino-Indian War, India's military planners failed to deploy and effectively use the IAF against the invading Chinese forces. This resulted in India losing a significant amount of advantage to the Chinese; especially in Jammu and Kashmir.[25]

Three years after the Sino-Indian conflict, in 1965, India went to war with Pakistan again over Kashmir in what came to be known as the Second Kashmir War. Learning from the experiences of the Sino-Indian war, India used its air force extensively during the war. This was the first time the IAF actively engaged an enemy air force.[26] However, instead of providing close air support to theIndian Army,[27] the IAF carried out independent raids against PAF bases.[28] These bases were situated deep inside Pakistani territory, making IAF fighters vulnerable to anti-aircraft fire.[29] During the course of the conflict, the PAF enjoyed qualitative superiority over the IAF as most of the jets in IAF's fleet were of post World War II vintage. Despite this, the IAF was able to prevent the PAF from gaining air superiority over conflict zones.[30] By the time the conflict had ended, Pakistan claimed to have shot down 113 IAF aircraft while the Indians claimed 73 PAF aircraft were downed.[31] More than 60% of IAF's air combat losses took place during the battles over Kalaikunda and Pathankot; where most of the aircraft were destroyed while parked on the ground.[32]

After the 1965 war, the IAF underwent a series of changes to improve its capabilities. In 1966, the Para was created.[33] To increase its logistics supply and rescue operations ability, the IAF inducted 72 HS 748s which were built by Hindustan Limited (HAL) under license from Avro.[34] India started to put more stress on indigenous manufacture of . As a result, HAL HF-24 Marut, designed by the famed German aerospace engineer Kurt Tank,[35] were inducted into the air force. HAL also started developing an improved version of the , known as HAL Ajeet.[36] At the same time, the IAF also started inducting Mach 2capable Soviet MiG-21 and Sukhoi Su-7 fighters.[37] Bangladesh Liberation War (1971)

By late 1971, the intensification of the independence movement in erstwhile East Pakistan lead to the Bangladesh Liberation War between India and Pakistan .[38] On 22 November 1971, 10 days before the start of a full-scale war, four PAF F-86 Sabre jets attacked Indian andMukti Bahini positions at Garibpur, near the international border. Three of the four PAF Sabres were shot down by the IAF's Folland Gnats.[39]On 3 December, India formally declared war against Pakistan following massive preemptive strikes by the PAF against Indian Air Force installations in , Ambala, Sirsa, Halwara and Jodhpur. However, the IAF did not suffer significantly because the leadership had anticipated such a move and precautions were taken.[40] The Indian Air Force was quick to respond to Pakistani air strikes, following which the PAF carried out mostly defensive sorties.[41]

Within the first two weeks, the IAF had carried out almost 2,000 sorties over East Pakistan and also provided close air support to the advancing .[42] IAF also assisted the in its operations against the Pakistani Navy and Maritime Security Agency in the Bay of Bengal and Arabian Sea. On the western front, the IAF destroyed more than 29 Pakistani tanks, 40 APCs and a railway train during the Battle of Longewala.[43] The IAF undertook strategic bombing of West Pakistan by carrying out raids on oil installations in Karachi, the Mangla Dam and a gas plant in Sindh.[44] Similar strategy was also deployed in East Pakistan and as the IAF achieved complete air superiority on the eastern front, the ordnance factories, runways, and other vital areas of East Pakistan were severely damaged.[45] By the time Pakistani forces surrendered, the IAF claimed that 94 PAF aircraft, including 54 F-86 Sabres had been shot down.[46] The IAF had flown over 6,000 sorties[42] on both East and West fronts; including sorties by transport aircraft and .[42] Towards the end of the war, IAF's transport planes dropped leaflets over Dhaka urging the Pakistani forces to surrender, demoralising Pakistani troops in East Pakistan.[47] [edit]Incidents before Kargil (1984±1988)

In 1984, India launched to capture the Siachen Glacier in the contested Kashmir region.[48] IAF's Mi- 8, Chetak andCheetah helicopters airlifted hundreds of Indian troops to Siachen.[49] Launched on 13 April 1984, this military operation was unique because of Siachen's inhospitable terrain and climate. The military action was successful, given the fact that under a previous agreement, neither Pakistan nor India had stationed any personnel in the area. The Indian forces, facing no opposition, took control over most of the heights on the glacier.[50]

Following the failure to negotiate an end to the Sri Lankan Civil War, and to provide humanitarian aid through an unarmed convoy of ships,[51] the Indian Government decided to carry out an airdrop of the humanitarian supplies on the evening of 4 June 1987 designated Operation Poomalai (Tamil: Garland) or Mission 4.[51] Five An-32s escorted by five Mirage 2000s carried out the supply drop which faced no opposition from the Sri Lankan Armed Forces.[51][52] Sri Lanka accused India of "blatant violation of sovereignty".[51] India insisted that it was acting only on humanitarian grounds.[51]

In 1987, the IAF supported the Indian Peace Keeping Force (IPKF) in northern and eastern Sri Lanka in Operation Pawan. About 70,000 sorties were flown by the IAF's transport and force in support of nearly 100,000 troops and paramilitary forces without a single aircraft lost or mission aborted.[53] IAF An-32s maintained a continuous air link between air bases in South India and Northern Sri Lanka transporting men, equipment, rations and evacuating casualties.[53] Mi-8s supported the ground forces and also provided air transportation to the Sri Lankan civil administration during the elections.[53] Mi-25s of No. 125 Helicopter Unit were utilised to provide suppressive fire against militant strong points and to interdict coastal and clandestine riverine traffic.[53]

On the night of November 3, 1988, the Indian Air Force mounted special operations to airlift a parachute battalion from Agra, non-stop over 2000 kilometres to the remote Indian Ocean archipelago of the Maldives in response to Maldivian president Gayoom's request for military help against a mercenary invasion in Operation Cactus. The IL-76s of No. 44 Squadron landed at Hulhule at 0030 hours and the Indian secured the airfield and restored Government rule at Male within hours.[5 (1999) On 11 May 1999, the Indian Air Force was called in to provide close air support to the Indian Army at the height of the ongoing Kargil conflict with the use of helicopters.[54] The IAF strike was code named Operation Safed Sagar.[54] The first strikes were launched on the 26 May, when the Indian Air Force struck infiltrator positions with fighter aircraft and helicopter .[55] The initial strikes saw MiG-27s carrying out offensive sorties, with MiG-21s and later MiG- 29s providing fighter cover.[51] The IAF also deployed its and the MiG-29 fighters in vast numbers to keep check on Pakistani military movements across the border.[56] Srinagar Airport was at this time closed to civilian air-traffic and dedicated to the Indian Air Force.[55]

On 27 May, the first fatalities were suffered when a MiG-21 and a MiG-27 jets were lost over Sector to enemy action and mechanical failure, respectively.[57][58] The following day, a Mi-17 was lost- with the loss of all four of the crew- when it was hit by three stingers while on an offensive sortie.[51] These losses forced the Indian Air Force to reassess its strategy. The helicopters were immediately withdrawn from offensive roles as a measure against the man-portable missiles in possession of the infiltrators. On 30 May, the Indian Air Force called into operation the Mirage 2000 which was deemed the best aircraft capable of optimum performance under the conditions of high-altitude seen in the zone of conflict. Mirage 2000s not only had better defence equipment compared to the MiGs, but also gave IAF the ability to carry out aerial raids at night. The MiG-29s were used extensively to provide fighter escort to the Mirage 2000.[59] The Mirages successfully targeted enemy camps and logistic bases in Kargil and within days, their supply lines were severely disrupted.[60] Mirage 2000s were used for strikes on Muntho Dhalo[51] and the heavily defended and paved the way for their early recapture.[51] At the height of the conflict, the IAF was conducting over forty sorties daily over the Kargil region.[59] By 26 July, the Indian forces had successfully liberated Kargil from Pakistani forces.[61] Post Kargil incidents (1999±present)

On 10 August 1999, IAF MiG-21s intercepted a Breguet Atlantic which was flying over the disputed region of . The aircraft was shot down killing all 16 Pakistani Navy personnel on board.[62] India claimed that the Atlantic was on a mission to gather information on IAF air defence,[63] a emphatically rejected by Pakistan which argued that the unarmed aircraft was on a training mission.[64]

Since the late 1990s, the Indian Air Force has been modernising its fleet to counter challenges in the new century. The fleet size of the IAF has decreased during this period because of the retirement of older aircraft. Still, India maintains the fourth largest air force. Structure

The President of India is the Supreme Commander of all Indian armed forces and by virtue of that fact is the notional Commander of the Air Force. India's Ministry of Defence under the Defence Minister oversees the Air Force, by way of direct civilian leadership.[65] The Prime Minister and the National Security Council provide indirect leadership by shaping government security policy. A Chief of the Air Staff with the rank of Air Chief Marshal commands Air Headquarters and provides military leadership. He is assisted by six officers: a Vice Chief of the Air Staff, a Deputy Chief of the Air Staff, the Air Officer in Charge of Administration, the Air Officer in Charge of Personnel, the Air Officer in Charge of Maintenance, and the Inspector General of Flight Safety.[66] In January 2002, the government conferred the rank of Marshal of the Air Force on Arjan Singhmaking him the first and only Five Star rank officer with the Indian Air Force and ceremonial chief of the air force.

Commands and structure The Indian Air Force is divided into five operational and two functional commands. Each Command is headed by an Air Officer Commanding-in-Chief with the rank of Air Marshal. The purpose of an operational command is to conduct military operations using aircraft within its area of responsibility, whereas the responsibility of functional commands is to maintaincombat readiness. Aside from the Training Command at Bangalore, the centre for primary flight training is located at the Air Force Academy in Hyderabad, Andhra Pradesh, followed by operational training at various other schools. Advanced officer training for command positions is also conducted at the Defence Services ; specialised advanced flight training schools are located at Bidar, Karnataka, and Hakimpet, Andhra Pradesh (also the location for helicopter training). Technical schools are found at a number of other locations.[68]

Operational Commands Functional Commands

 Central Air Command (CAC), headquartered  Training Command (TC), headquartered at Allahabad, Uttar Pradesh at Bangalore,Karnataka

 Eastern Air Command (EAC), headquartered  Maintenance Command (MC), headquartered at Shillong,Meghalaya at Nagpur,Maharashtra

 Southern Air Command (SAC), headquartered atThiruvananthapuram, Kerala

 South Western Air Command (SWAC), headquartered atGandhinagar, Gujarat

 Western Air Command (WAC), headquartered at Subroto Park,New Delhi

[edit]Bases Main article: List of Indian Air Force bases

The IAF operates over sixty air bases, with more being built or planned.[69] Western Air Command is the largest Air Command. It operates sixteen air bases from Punjab to Uttar Pradesh. Eastern Air Command operates fifteen Air bases in Eastern and North-eastern India. Central Air Command operates seven Air Bases in Madhya Pradesh and surrounding states of central India. Southern Air Command, a strategically important Air command, in line with India's latest doctrine of protecting the vital shipping routes. It operates nine Air bases in Southern Indiaand two in the Andaman and Nicobar Islands. South Western Air Command is the front line of defence against Pakistan, this important Command operates twelve air bases in Gujarat, Maharashtra and Rajasthan. India also operates the Farkhor Air Base in Tajikistan.[70] [edit]Wings

A is a formation intermediate between a Command and a Squadron. It generally consists of two or three IAF Squadrons and Helicopter Units, along with Forward Base Support Units (FBSU). FBSUs do not have or host any Squadrons or Helicopter units but act as transit airbases for routine operations. In times of war, they can become fully fledged air bases playing host to various Squadrons. In all, about 47 Wings and 19 FBSUs make up the IAF.[71][72] [edit]Squadrons Squadrons are the field units and formations attached to static locations. Thus, a Flying Squadron is a sub-unit of an air force station which carries out the primary task of the IAF. All fighter squadrons are headed by a Commanding Officer with the rank of Wing Commander.[73]Some Transport squadrons and Helicopter Units are headed by a Commanding Officer with the rank of Group Captain.

Within this formation structure, IAF has several service branches for day-to-day operations. They are:[74]

Flying Branch Technical Branch Ground Branch

 Flying  Engineering  Administration

 Logistics  Accounts

 Education

 Medical & Dental

 Meteorological

[edit]Garud Commando Force Main article: Garud Commando Force

In September 2004, the IAF established its own special operation unit called the Garud Commando Force, consisting of approximately 1500 personnel. The unit derives its name from Garuda, a divine bird-like creature of Hindu Mythology, but more commonly the word for eagle inSanskrit. Garud is tasked with the protection of critical installations; during peace and hostilities and disaster relief during calamities.[75] [edit]Integrated Space Cell Main article: Integrated Space Cell

An Integrated Space Cell, which will be jointly operated by all the three services of the Indian armed forces, the civilian Department of Space and the Indian Space Research Organization (ISRO) has been set up to utilize more effectively the country's space-based assets for military purposes and to look into threats to these assets.[7][8] This command will leverage space technology including satellites. Unlike an aerospace command, where the air force controls most of its activities, the Integrated Space Cell envisages cooperation and coordination between the three services as well as civilian agencies dealing with space.[76]

India currently has 11 remote sensing satellites in orbit. Though most are not meant to be dedicated military satellites, some have a spacial resolution of 1 metre or below which can be also used for military applications. Noteworthy satellites include the Technology Experiment Satellite (TES) which has a panchromatic camera (PAN) with a resolution of 1 metre,[77] the RISAT-2 which is capable of imaging in all-weather conditions and has a resolution of one metre,[78] the CARTOSAT-2, CARTOSAT-2A[79] (a dedicated military satellite)[80] andCARTOSAT-2B[81] which carries a panchromatic camera which has a resolution of 80 centimetres (black and white only). Officers

Anyone holding Indian citizenship can apply to be an officer in the Air Force as long as they satisfy the eligibility criteria. There are four entry points to become an officer. Male applicants, who are between the ages of 16½ and 19 and have passed high school graduation, can apply at the Intermediate level.[89] Men and women applicants, who have graduated from college (three year course) and are between the ages of 18 and 28, can apply at the Graduate level entry.[90] Graduates of engineering colleges can apply at the Engineer level if they are between the ages of 18 and 28 years. The age limit for the flying and ground duty branch is 23 years of age and for technical branch is 28 years of age.[91] After completing a master's degree, men and women between the ages of 18 and 28 years can apply at the Post Graduate level. Post graduate applicants do not qualify for the flying branch. For the technical branch the age limit is 28 years and for the ground duty branch it is 25.[92] At the time of application, all applicants must be single.[93] The IAF selects candidates for officer training from these applicants. After completion of training, a candidate is commissioned as a Flying Officer.[94]

Ranks of the Indian Air Force- Officer Ranks

Should er

Sleeve

Marshal F Air Wing light F R of Air Chief Air Air Vice Group Squadron L lying Pilot ank Commod Comman L ieutenan 2 the Air Marshal Marshal Marshal Captain eader Officer Officer

ore der t Force¹

 ¹ Honorary/War time rank.

 2 Rank no longer exist.

Airmen The duty of an airman in the Indian Air Force is to make sure that all the air and ground operations run smoothly. From operating Air Defence systems to fitting missiles, they are involved in all activities of an air base and give support to various technical and non-technical jobs.[95] The recruitment of personnel below officer rank is conducted through All India Selection Tests and Recruitment Rallies. All India Selection Tests are conducted among 14 Airmen Selection Centres (ASCs) located all over India. These centres are under the direct functional control of Central Airmen Selection Board (CASB), with administrative control and support by respective commands. The role of CASB is to carry out selection and enrolment of airmen from the Airmen Selection Centres for their respective commands.[95] Candidates initially take a written test at the time of application. Those passing the written test undergo a physical fitness test, an interview conducted in English, and medical examination. Candidates for training are selected from individuals passing the battery of tests, on the basis of their performance. Upon completion of training, an individual becomes an Airman.[95] Some MWOs and WOs are granted honorary commission in the last year of their service as an honorary Flying Officer or Flight Lieutenant before retiring from the service

Ranks of the Indian Air Force - Enlisted Ranks

Junior Commissioned Officer Enlisted

Shoulder

Arm

Sleeve

Master Junior Leading Rank Warrant Officer Sergeant Aircraftsman

Warrant Officer Warrant Officer Aircraftsman

Training and education

The Indian Armed Forces has set up numerous military academies across India for training its personnel. Military schools, Sainik Schools, and the Rashtriya Indian Military College were founded to broaden the recruitment base of the . The three branches of the Indian Armed Forces jointly operate several institutions such as the National Defence Academy (NDA),Defence Services Staff College (DSSC), National Defence College (NDC) and the College of Defence Management (CDM) for training its officers. The Armed Forces Medical College (AFMC) at Pune is responsible for providing the entire pool of medical staff to the Armed Forces by giving them in service training.

Besides these Tri-service institutions, the Indian Air Force has a Training Command and several training establishments. While technical and other support staff are trained at various Ground Training Schools, the pilots are trained at the Air Force Academy located at Dundigul. The Pilot Training Establishment at Allahabad, the Air Force Administrative College at Coimbatore, the School of Aviation Medicine at Bangalore, the Air Force Technical Training College at Jalahalli and the ¶s Training School at Agra are some of the other training establishments of the IAF. Aircraft inventory

The Indian Air Force has aircraft of British, French and Russian (erstwhile Soviet) origins. However, Russian aircraft dominate its inventory. HAL produces some of the Russian and British aircraft in India under licence. The exact number of aircraft in service with the Indian Air Force cannot be determined with precision from open sources. Various reliable sources provide notably divergent estimates for a variety of high-visibility aircraft. Fighter and multi-role combat aircraft

The fighter aircraft in the IAF inventory are the primary means to achieve and maintain over the battle field. These aircraft are designed for air-to-air combat in order to achieve their goals.

The Sukhoi Su-30MKI is the IAF's primary air superiority fighter with the capability to conduct strike missions. The IAF have placed an order for a total of 272 Su-30MKIs[100] of which 130 are in service as of December 2010.[101]

The Mikoyan MiG-29 known as Baaz (Hindi for Hawk) is the IAF's dedicated air superiority fighter and forms the second line of defence for the IAF after the Sukhoi Su-30MKI. The IAF operates 69 MiG-29s, all of which are currently being upgraded to the MiG-29SMT standard.[102]

The , known as Vajra (Hindi for Thunderbolt) in Indian service, is the IAF's primary multirole fighter. The IAF currently operates 51 Mirage 2000Hs.[103] The Mikoyan-Gurevich MiG-21 serves as an Interceptor aircraft in the IAF. The IAF currently operates about 200 MiG-21s, 121 of which have been upgraded to MiG-21 Bison standard.[104] While the MiG-21 Bison is likely to be in service till 2017, the remaining aircraft are expected to be phased out by 2013. The MiG-21s are planned to be replaced by the indigenously built HAL Tejas.[ Strike, attack and close support aircraft hese are designed to attack targets on the ground. They are often deployed as close air support for, and in proximity to, their own ground forces, requiring precision strikes from these aircraft.

The SEPECAT Jaguar known as Shamsher and the Mikoyan MiG-27 known as Bahadur (Hindi for Valiant) serve as the IAF's primary ground attack force.[107] The IAF currently operates 139 Jaguars[108] and over 100 MiG-27s Airborne Early Warning aircraft

These aircraft are designed to detect and distinguish hostile aircraft. The system can be used to direct fighters and strike aircraft to their targets and warn them of hostile enemy aircraft in the area.

The IAF currently operates the Beriev A-50EI Mainstay AEW&C. A total of 3 such systems are currently in service, with possible orders for 2 more Tanker aircraft These aircraft are used for which allows IAF aircraft to remain airborne for longer periods, hence enhancing their effective range. Aerial refueling also allows aircraft to take-off with greater payload (by carrying less fuel during take-off). The IAF currently operates 6 Ilyushin Il-78MKIs for aerial refueling roles.[111][112] A Request for Proposal for 6 additional tanker aircraft was issued in September 2010. The EADS A330 MMRT and the Il-78 are still in the competition after Boeing withdrew the KC-767 Transport aircraft

Transport aircraft are typically used to deliver troops, weapons, supplies and other military equipment to the IAF field of operations. The IAF currently operate different types of transport aircraft for different roles.

The IAF operates Ilyushin Il-76s known as Gajraj (Hindi for King Elephant) for military transportroles such as strategic or heavy lift at all operational levels.[114] The IAF currently operates 24 Il-76s.[115] The Il-76s are to be replaced by C-17 Globemaster IIIs.[116]

The Antonov An-32 known as Sutlej (name of an Indian river) serves as medium transport aircraft in the IAF. The aircraft is also used in bombing roles and para-dropping operations.[117] The IAF currently operates 105 An-32s, all of which are being upgraded.[117]

The Hawker Siddeley HS 748 once formed the backbone of the IAF's transport fleet, but are now used mainly for transport training and communication duties.[118] The Dornier Do 228 serves as light transport aircraft in the IAF.[119] The IAF also operates Boeing 737s[120] and Embraer ECJ-135 Legacy aircraft[121] as VIP Training aircraft

Training aircraft are used to develop piloting and nagivational skills in pilots and air crew.

The HAL HPT-32 Deepak is IAF's basic flight training aircraft for cadets.[122] The HPT-32 was grounded in July 2009 following a crash that killed two senior flight instructors,[123] but was revived in May 2010[123] and is to be fitted with a parachute recovery system (PRS) to enhance survivability during an emergency in the air and to bring the trainer down safely.[123] The HPT-32 is to be phased out soon.[123]

The IAF uses the HAL HJT-16 Kiran mk.I for intermediate flight training of cadets, while the HJT-16 Kiran mk.II provides advanced flight and weapons training.[124][125] The HAL HJT-16 Kiran Mk.2 is also operated by the Aerobatic Team (SKAT) of the IAF.[126] The Kiran is to be replaced by the HAL HJT-36 Sitara.[127]

The BAE Hawk Mk 132 serves as an advanced in the IAF and is progressively replacing the Kiran Mk.II. The IAF has begun the process of converting the Surya Kiran display team to Hawks.[84] A total of 106 BAE Hawk trainers have been ordered by the IAF of which 39 have entered service as of July 2010 Helicopters

An important objective of the IAF is to support ground troops by providing air cover and by transporting men and essential commodities across the battlefield. For this purpose the Air Force maintains a fleet of helicopters.

The HAL Dhruv serves primarily as a light in the IAF. In addition to transport and utility roles, Dhruvs are also used as attack helicopters.[129] 4 Dhruvs are also operated by the Indian Air Force Sarang Helicopter Display Team.

The HAL Chetak is a light utility helicopter and is used primarily for training, rescue and light transport roles in the IAF.[130] The HAL Chetak is scheduled to be replaced by HAL's Advanced Light Helicopter.[130]

The HAL Cheetah is a light utility helicopter used for high altitude operations. It is used for both transport and search-and- rescue missions in the IAF.[131]

The Mil Mi-8 and the Mil Mi-17 are operated by the IAF for medium utility roles. The Mi-8 is being progressively replaced by the Mi-17.[132][133] The IAF has ordered 80 Mi-17V-5s to replace and augment its existing fleet of Mi-8s and Mi-17s, with an order for 59 additional helicopters to follow soon

The Mil Mi-26 serves as a heavy lift helicopter in the IAF. It can also be used to transport troops or as a flying ambulance. The IAF currently operates 4 Mi-26s.[135]

The Mil Mi-35 serves primarily as an attack helicopter in the IAF. The Mil Mi-35 can also act as a low-capacity troop transport. The IAF currently operates 2 squadrons (No.104 Firebirds and No.125 Gladiators) of Mi-25/35s.[136] [edit]Unmanned Aerial Vehicles

The primary role of Unmanned Aerial Vehicles (UAVs) is to provide aerial surveillance and reconnaissance. UAVs can also be used as unmanned combat aircraft or pilotless target aircraft. The more invisible are the mav(Micro air vehicle)

The IAF currently uses the IAI Searcher II[137] and IAI Heron[138] for reconnaissance and surveillance purposes. The IAI Harpy serves as an Unmanned Combat Aerial Vehicle (UCAV) which is designed to attack systems.[139] The IAF also operates the DRDO Lakshya which serves as realistic towed aerial sub-targets for live fire training. Land-Based Air Defence Surface-to-Air Missile systems

The IAF currently operates the S-125 Pechora[96][141] and the 9K33 Osa[96][141] as Surface-to-air missile systems. The IAF is also currently inducting the medium range surface-to-air missile system. A total of 8 squadrons has been ordered so far.[142] [edit]Ballistic missiles

The IAF currently operates the -II short-range (SRBM). The Prithvi-II is an IAF-specific variant of the Prithvi ballistic missile.[143] [edit]Anti-Ballistic missile systems

The S-300 SAM[144] serves as an Anti-Tactical Ballistic Missile (ATBM) system in the IAF. The S-300 is also able to detect, track, and destroy incoming cruise missiles and low-flying aircraft.[ Future

Main article: Future of the Indian Air Force

The number of aircraft in the IAF has been decreasing from the late 1990s due to retirement of older aircraft and several crashes. To deal with the depletion of force levels, the IAF has started to modernise its fleet. This includes both upgradation of existing aircraft, equipment and infrastructure as well as induction of new aircraft and equipment, both indigenous and imported. As new aircraft enter service and numbers recover, the IAF plans to have a fleet of 42 squadrons. Upgrades The IAF is currently upgrading its 69 MiG-29s (to the SMT standard)[102] and 105 An-32s.[117]IAF's HAL HPT-32 Deepak trainers are to be fitted with a parachute recovery system (PRS) to enhance survivability during an emergency in the air and to bring the trainer down safely.[123] There are also plans to upgrade its 51 Mirage 2000Hs to the Mirage-2000- 5 Mk 2 variant[147] and 40 Su-30MKIs with new radars, onboard computers, systems[148] and the capability of carrying the air launched version of the BrahMos