Expeditionary Fire Support System

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EFSS Expeditionary Fire Support System The Expeditionary Fire Support System (EFSS) was developed in response to the USMC’s need for a fire support system that is lighter, more mobile and vertically transportable for missions requiring tactical versatility, speed and close-in fire support. The EFSS expands the maneuver commander’s choices of fire- support capability against an array of targets including light- armored, motorized, and dismounted personnel; command and control systems; and indirect fire systems. The 120mm towed rifled mortar and accompanying ammunition trailer are designed to be internally transportable in the MV-22 Osprey, CH-53, C-130 and the C-5 aircraft. M1105 M1103 M1101 M1107 ILLUMINATION SMOKE HIGH-EXPLOSIVE PRACTICE EFSS Expeditionary Fire Support System M327 120MM TOWED RIFLED MORTAR WEAPON 120MM AMMUNITION SUITE The Expeditionary Fire Support System utilizes a 120mm The EFSS 120mm ammunition suite consists of four type- classified munitions: High Explosive (HE), Smoke, Illumination towed rifled mortar that can fire smoothbore or rifled and Practice rounds. The ammunition suite provides ammunition. The rifled mortar rotates the round as it greater lethality, accuracy, and range over currently exits the barrel providing greater stability, accuracy and fielded ammunition. range over current smoothbore ammunition. • IM compliant, with an accurate and effective range of 8.2 km. • Weighs 1798 lbs. and is the Marines’ largest internally vertically transportable indirect fire support capability. • Standard artillery fuzes are fitted to the projectiles for point detonation or airbust capabilities. • In service in 24 countries, including three NATO countries. M1105 Illumination Cartridge M1103 Smoke Cartridge CAST IRON MAIN BODY PARACHUTE SECONDARY BRAKE FUZE CAST IRON ILLUMINATING BURSTING WHITE SEALING PROJECTILE PARACHUTE BOOSTER BODY CHARGE FUZE CHARGE PHOSPHORUS RING PARACHUTE IGNITION PROTECTOR HOUSING SEALING RING FUZE ILLUMINATING CHARGE Tail Charge Assembly M1101 High Explosive Cartridge SEALING FUZE CAST IRON IM COMPLIANT RING FUZE BOOSTER BODY EXPLOSIVE CARTRIDGE SPRING CLIPS EJECTING PROPELLANT CHARGE CHARGES FIRING PIN 11399 16th • Court N. • Suite 200 • St. Petersburg, FL 33716 • (727) 578-8100 • www.gd-ots.com • Approved for public release 9/11/2008 .

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Guided Mortar Systems APRIL 2015
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