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Analysis of Radar Cross Section Assessment Methods And
Analysis of radar cross section assessment methods and parameters affecting it for surface ships Análisis de Métodos de Evaluación de la Sección Transversal de Radar y de los Parámetros que Inciden en Ella para Buques de Superficie Vladimir Díaz Charris 1 José Manuel Gómez Torres 2 Abstract This article presents an analysis of the different modeling methods for predicting the radar cross section of surface ships. In the analysis, we studied the effect of different factors in vessel construction regarding the amount of electromagnetic energy returning to a radar source, such as the handling of shapes, use of different materials, and vessel size. We can see the different evaluation methods of the radar cross section and the software tools available to determine an appropriate methodology for adoption by the Colombian Navy and their subsequent integration with the design process and optimization of warships. Key words: Radar Cross Section, RCS, vessels, RAM, absorbent, prediction, Navy. Resumen En este artículo se presenta un análisis de los diferentes métodos de modelado para la predicción de la sección transversal de radar (RCS) de buques de superficie. Dentro del análisis, se estudia el efecto de los diferentes factores constructivos del buque sobre la cantidad de energía electromagnética que regresa a una fuente de radar, como son el manejo de formas, el uso de diferentes materiales y el tamaño del buque. Se aprecian los diferentes métodos de evaluación de la sección transversal de radar y las herramientas de software disponibles con el fin de determinar una metodología adecuada para su adopción por parte de la Armada de Colombia, y su posterior integración con el proceso de diseño y optimización de buques de guerra. -
Should the United States Develop and Employ Strategic Information Warfare Capabilities?
Should the United States develop and employ strategic information warfare capabilities? Information technologies have transformed U.S. and, indeed, international society. The ways we socialize, educate and inform ourselves, engage in business and practice our religions have been changed, and in many cases now rely, on digital information and communication. Can warfare—the defense and promotion of our national security and interests—be exempt under any circumstances from developing and employing the latest information strategies? Is this even a choice in the 21st century, much less a hard choice? Information warfare has been variously defined by different analysts but a standard general definition, as provided by the U.S. Air Force is “any action to deny, exploit, corrupt, or destroy the enemy’s information and its functions; protecting ourselves against the actions and exploiting our own information operations.” The goal of information war is now frequently described as “information dominance.” (1) Major General Kenneth Minihan, stated, “information dominance is not ‘my pile of information is bigger than yours’…It is a way of increasing our capabilities by using that information to make right decisions, (and) apply them faster than the enemy can. It is a way to alter the enemy’s entire perception of reality. It is a method of using all the information at our disposal to predict (and affect) what happens tomorrow before the enemy even jumps out of bed and thinks about what to do today.” (2) Pro: Information warfare is not a new concept that arose with the Internet. Information has always been a decisive factor in deciding the victory or defeat of one military force over another. -
Unlocking NATO's Amphibious Potential
November 2020 Perspective EXPERT INSIGHTS ON A TIMELY POLICY ISSUE J.D. WILLIAMS, GENE GERMANOVICH, STEPHEN WEBBER, GABRIELLE TARINI Unlocking NATO’s Amphibious Potential Lessons from the Past, Insights for the Future orth Atlantic Treaty Organization (NATO) members maintain amphibious capabilities that provide versatile and responsive forces for crisis response and national defense. These forces are routinely employed in maritime Nsecurity, noncombatant evacuation operations (NEO), counterterrorism, stability operations, and other missions. In addition to U.S. Marine Corps (USMC) and U.S. Navy forces, the Alliance’s amphibious forces include large ships and associated landing forces from five nations: France, Italy, the Netherlands, Spain, and the United Kingdom (UK). Each of these European allies—soon to be joined by Turkey—can conduct brigade-level operations, and smaller elements typically are held at high readiness for immediate response.1 These forces have been busy. Recent exercises and operations have spanned the littorals of West and North Africa, the Levant, the Gulf of Aden and Arabian Sea, the Caribbean, and the Pacific. Given NATO’s ongoing concerns over Russia’s military posture and malign behavior, allies with amphibious capabilities have also been exploring how these forces could contribute to deterrence or, if needed, be employed as part of a C O R P O R A T I O N combined and joint force in a conflict against a highly some respects, NATO’s ongoing efforts harken back to the capable nation-state. Since 2018, NATO’s headquarters Cold War, when NATO’s amphibious forces routinely exer- and various commands have undertaken initiatives and cised in the Mediterranean and North Atlantic as part of a convened working groups to advance the political intent broader strategy to deter Soviet aggression. -
Navy DD(X), CG(X), and LCS Ship Acquisition Programs: Oversight Issues and Options for Congress
Order Code RL32109 CRS Report for Congress Received through the CRS Web Navy DD(X), CG(X), and LCS Ship Acquisition Programs: Oversight Issues and Options for Congress Updated April 21, 2005 Ronald O’Rourke Specialist in National Defense Foreign Affairs, Defense, and Trade Division Congressional Research Service ˜ The Library of Congress Navy DD(X), CG(X), and LCS Ship Acquisition Programs: Oversight Issues and Options for Congress Summary The Navy in FY2006 and future years wants to procure three new classes of surface combatants — a destroyer called the DD(X), a cruiser called the CG(X), and a smaller surface combatant called the Littoral Combat Ship (LCS). Congress in FY2005 funded the procurement of the first LCS and provided advance procurement funding for the first DD(X), which the Navy wants to procure in FY2007. The FY2006-FY2011 Future Years Defense Plan (FYDP) reduces planned DD(X) procurement to one per year in FY2007-FY2011 and accelerates procurement of the first CG(X) to FY2011. The FY2006 budget requests $666 million in advanced procurement funding for the first DD(X), which is planned for procurement in FY2007, $50 million in advance procurement funding for the second DD(X), which is planned for procurement in FY2008, and $1,115 million for DD(X)/CG(X) research and development. The budget requests $613.3 million for the LCS program, including $240.5 million in research and development funding to build the second LCS, $336.0 million in additional research and development funding, and $36.8 million in procurement funding for LCS mission modules. -
A New Carrier Race? Yoji Koda
Naval War College Review Volume 64 Article 4 Number 3 Summer 2011 A New Carrier Race? Yoji Koda Follow this and additional works at: https://digital-commons.usnwc.edu/nwc-review Recommended Citation Koda, Yoji (2011) "A New Carrier Race?," Naval War College Review: Vol. 64 : No. 3 , Article 4. Available at: https://digital-commons.usnwc.edu/nwc-review/vol64/iss3/4 This Article is brought to you for free and open access by the Journals at U.S. Naval War College Digital Commons. It has been accepted for inclusion in Naval War College Review by an authorized editor of U.S. Naval War College Digital Commons. For more information, please contact [email protected]. Color profile: Generic CMYK printer profile Composite Default screen Koda: A New Carrier Race? A NEW CARRIER RACE? Strategy, Force Planning, and JS Hyuga Vice Admiral Yoji Koda, Japan Maritime Self-Defense Force (Retired) n 18 March 2009 JS Hyuga (DDH 181) was commissioned and delivered to Othe Japan Maritime Self-Defense Force (JMSDF). The unique characteris- tic of this ship is its aircraft-carrier-like design, with a “through” flight deck and an island on the starboard side. Hyuga was planned in the five-year Midterm De- fense Buildup Plan (MTDBP) of 2001 and funded in Japanese fiscal year (JFY) 2004 as the replacement for the aging first-generation helicopter-carrying de- stroyer (DDH), JS Haruna (DDH 141), which was to reach the end of its service life of thirty-five years in 2009. The second ship of the new class, JS Ise (DDH 182), of the JFY 2006 program, was commissioned 16 March 2011. -
Why Has the Cost of Navy Ships Risen?
THE ARTS This PDF document was made available CHILD POLICY from www.rand.org as a public service of CIVIL JUSTICE the RAND Corporation. EDUCATION ENERGY AND ENVIRONMENT Jump down to document6 HEALTH AND HEALTH CARE INTERNATIONAL AFFAIRS The RAND Corporation is a nonprofit NATIONAL SECURITY research organization providing POPULATION AND AGING PUBLIC SAFETY objective analysis and effective SCIENCE AND TECHNOLOGY solutions that address the challenges SUBSTANCE ABUSE facing the public and private sectors TERRORISM AND HOMELAND SECURITY around the world. TRANSPORTATION AND INFRASTRUCTURE WORKFORCE AND WORKPLACE Support RAND Purchase this document Browse Books & Publications Make a charitable contribution For More Information Visit RAND at www.rand.org Explore RAND National Defense Research Institute View document details Limited Electronic Distribution Rights This document and trademark(s) contained herein are protected by law as indicated in a notice appearing later in this work. This electronic representation of RAND intellectual property is provided for non- commercial use only. Permission is required from RAND to reproduce, or reuse in another form, any of our research documents. This product is part of the RAND Corporation monograph series. RAND monographs present major research findings that address the challenges facing the public and private sectors. All RAND mono- graphs undergo rigorous peer review to ensure high standards for research quality and objectivity. Why Has the Cost of Navy Ships Risen? A Macroscopic Examination of the Trends in U.S. Naval Ship Costs Over the Past Several Decades Mark V. Arena • Irv Blickstein Obaid Younossi • Clifford A. Grammich Prepared for the United States Navy Approved for public release; distribution unlimited The research described in this report was prepared for the United States Navy. -
Archived Content Information Archivée Dans Le
Archived Content Information identified as archived on the Web is for reference, research or record-keeping purposes. It has not been altered or updated after the date of archiving. Web pages that are archived on the Web are not subject to the Government of Canada Web Standards. As per the Communications Policy of the Government of Canada, you can request alternate formats on the "Contact Us" page. Information archivée dans le Web Information archivée dans le Web à des fins de consultation, de recherche ou de tenue de documents. Cette dernière n’a aucunement été modifiée ni mise à jour depuis sa date de mise en archive. Les pages archivées dans le Web ne sont pas assujetties aux normes qui s’appliquent aux sites Web du gouvernement du Canada. Conformément à la Politique de communication du gouvernement du Canada, vous pouvez demander de recevoir cette information dans tout autre format de rechange à la page « Contactez-nous ». CANADIAN FORCES COLLEGE / COLLÈGE DES FORCES CANADIENNES CSC 28 / CCEM 28 MASTER OF DEFENCE STUDIES (MDS) THESIS THE CORVETTE - A SHIP FOR THE 21ST CENTURY CANADIAN NAVY LA CORVETTE - UN NAVIRE POUR LA MARINE CANADIENNE DU 21E SIÈCLE By/par LCdr/capc Pierre Bédard This paper was written by a student attending La présente étude a été rédigée par un stagiaire the Canadian Forces College in fulfilment of one du Collège des Forces canadiennes pour of the requirements of the Course of Studies. satisfaire à l'une des exigences du cours. The paper is a scholastic document, and thus L'étude est un document qui se rapporte au contains facts and opinions, which the author cours et contient donc des faits et des opinions alone considered appropriate and correct for que seul l'auteur considère appropriés et the subject. -
Appendix A. Navy Activity Descriptions
Atlantic Fleet Training and Testing Draft EIS/OEIS June 2017 APPENDIX A Navy Activity Descriptions Appendix A Navy Activity Descriptions Atlantic Fleet Training and Testing Draft EIS/OEIS June 2017 This page intentionally left blank. Appendix A Navy Activity Descriptions Atlantic Fleet Training and Testing Draft EIS/OEIS June 2017 Draft Environmental Impact Statement/Overseas Environmental Impact Statement Atlantic Fleet Training and Testing TABLE OF CONTENTS A. NAVY ACTIVITY DESCRIPTIONS ................................................................................................ A-1 A.1 Description of Sonar, Munitions, Targets, and Other Systems Employed in Atlantic Fleet Training and Testing Events .................................................................. A-1 A.1.1 Sonar Systems and Other Acoustic Sources ......................................................... A-1 A.1.2 Munitions .............................................................................................................. A-7 A.1.3 Targets ................................................................................................................ A-11 A.1.4 Defensive Countermeasures ............................................................................... A-13 A.1.5 Mine Warfare Systems ........................................................................................ A-13 A.1.6 Military Expended Materials ............................................................................... A-16 A.2 Training Activities .................................................................................................. -
SP's Naval Force June-July 2010
June-July l 2010 Volume 5 No 3 rs 100.00 (india-based buyer only) SP’s AN SP GUIDE PUBLICATION www.spsnavalforces.net ROUNDUP 3 PAGe STOP PRESS A Global Concern NAvAL vARIANT OF LCA ROLLS OUT India, in cooperation with its allies and friends The country’s first naval variant of Light Combat Aircraft, the LCA (Navy) Trainer around the world, will have to work to ensure Naval Project (NP)–1 was rolled out by the Defence Minister A.K. Antony from HAL that lawful private and public activities in the Aircraft Research and Design Centre at a glittering function in Bengaluru on July 6, maritime domain are protected against attack 2010. The Chief of Naval Staff Admiral Nirmal Verma, Secretary Defence Production by hostile exploitations R.K. Singh, Scientific Adviser to the Defence Minister, Dr. V.K. Saraswat, HAL Chair - man Ashok Nayak, Director Aeronautical Development Agency P.S. Subramanyam Cdr Sandeep Dewan were present on the occasion. The Defence Minister described the development as a ‘defining and memorable event’ for the nation. PAGe 4 Around the Sea A report on Commander Dilip Donde’s TeTe-e-TeTe successful completion of the first solo circumnavigation by an Indian Rear Admiral (Retd) Sushil Ramsay ‘Cooperation and interaction in the PAGe 6 Stealthy Ships maritime domain will continue to be an important aspect of IN’s vision’ PhotograPh: abhishek / sP guide Pubns Chief of Naval Staff Admi - ral Nirmal Verma , in an interaction with SP’s Naval The scope of accessing technologies from Forces , throws light on the the western world, so far denied to India, is security measures to deal witnessing an upward swing with the growing incidents Rear Admiral (Retd) Sushil Ramsay of piracy. -
The Civil War and Early Submarine Warfare, 1863 Introduction
1 The Civil War and early submarine warfare, 1863 Introduction Civil War combat foreshadowed modern warfare with the introduction of the machine gun, repeater rifles, and trench warfare, and the use of trains to quickly move troops. However, one of the most celebrated tactical innovations of the war was the use of submarines by the Confederate Navy. An early example of this type of naval ingenuity was the CSS Pioneer developed by Horace Lawson Hunley, James McClintock, and Baxter Watson. The Confederates were forced to abandon the Pioneer during testing for fear of capture but she eventually found her way into Union hands, where the submersible was examined and sketched by Ensign David Stauffer of the USS Alexandria. Following the war, the Pioneer was scrapped for metal. Most accounts of actual Civil War submarine combat focus on the sinking of the USS Housatonic by the CSS H. L. Hunley in February 1864, but few mention an earlier but unsuccessful attack by a cigar-shaped vessel, the CSS David, in October 1863. This letter from Union sailor Lewis H. West is a rare eyewitness account of that incident, one of the earliest submarine attacks in naval history. On his first night on board the USS New Ironsides, West experienced the David’s attack. Stealthily cutting through Charleston Bay almost entirely submerged, the David crew attempted to explode a torpedo (what we now refer to as a mine) and in the process nearly destroyed their own vessel. According to West, the “nondescript craft” barely damaged the New Ironsides, and divers found “that not a plate or bolt is started.” The CSS David survived the explosion and the small-arms fire that raked the hull. -
Navy Force Structure and Shipbuilding Plans: Background and Issues for Congress
Navy Force Structure and Shipbuilding Plans: Background and Issues for Congress September 16, 2021 Congressional Research Service https://crsreports.congress.gov RL32665 Navy Force Structure and Shipbuilding Plans: Background and Issues for Congress Summary The current and planned size and composition of the Navy, the annual rate of Navy ship procurement, the prospective affordability of the Navy’s shipbuilding plans, and the capacity of the U.S. shipbuilding industry to execute the Navy’s shipbuilding plans have been oversight matters for the congressional defense committees for many years. In December 2016, the Navy released a force-structure goal that calls for achieving and maintaining a fleet of 355 ships of certain types and numbers. The 355-ship goal was made U.S. policy by Section 1025 of the FY2018 National Defense Authorization Act (H.R. 2810/P.L. 115- 91 of December 12, 2017). The Navy and the Department of Defense (DOD) have been working since 2019 to develop a successor for the 355-ship force-level goal. The new goal is expected to introduce a new, more distributed fleet architecture featuring a smaller proportion of larger ships, a larger proportion of smaller ships, and a new third tier of large unmanned vehicles (UVs). On June 17, 2021, the Navy released a long-range Navy shipbuilding document that presents the Biden Administration’s emerging successor to the 355-ship force-level goal. The document calls for a Navy with a more distributed fleet architecture, including 321 to 372 manned ships and 77 to 140 large UVs. A September 2021 Congressional Budget Office (CBO) report estimates that the fleet envisioned in the document would cost an average of between $25.3 billion and $32.7 billion per year in constant FY2021 dollars to procure. -
Naval Postgraduate School Thesis
NAVAL POSTGRADUATE SCHOOL MONTEREY, CALIFORNIA THESIS A STUDY OF THE RUSSIAN ACQUISITION OF THE FRENCH MISTRAL AMPHIBIOUS ASSAULT WARSHIPS by Patrick Thomas Baker June 2011 Thesis Advisor: Mikhail Tsypkin Second Reader: Douglas Porch Approved for public release; distribution is unlimited THIS PAGE INTENTIONALLY LEFT BLANK REPORT DOCUMENTATION PAGE Form Approved OMB No. 0704-0188 Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instruction, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302, and to the Office of Management and Budget, Paperwork Reduction Project (0704-0188) Washington DC 20503. 1. AGENCY USE ONLY (Leave blank) 2. REPORT DATE 3. REPORT TYPE AND DATES COVERED June 2011 Master‘s Thesis 4. TITLE AND SUBTITLE 5. FUNDING NUMBERS A Study of the Russian Acquisition of the French Mistral Amphibious Assault Warships 6. AUTHOR(S) Patrick Thomas Baker 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) 8. PERFORMING ORGANIZATION Naval Postgraduate School REPORT NUMBER Monterey, CA 93943-5000 9. SPONSORING /MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSORING/MONITORING N/A AGENCY REPORT NUMBER 11. SUPPLEMENTARY NOTES The views expressed in this thesis are those of the author and do not reflect the official policy or position of the Department of Defense or the U.S.