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The Line-of-Sight Antitank (LOSAT) consists of Kinetic Energy Missiles (KEM) and a second-generation FLIR/video acquisition sensor mounted on an air-mobile, heavy HMMWV chassis. The LOSAT weapon system will help remedy the forced-entry/early-entry force lethality shortfall against heavy armor because it can deploy with both forces.

The Kinetic Energy Missile weighs 174 pounds, is 113 inches long and 6.4 inches in diameter. The current system provides for a three-man crew, but a crew of two can also conduct engagements.

The system is extremely mobile. The superior cross-country mobility of the HMMWV is not degraded by the addition of the LOSAT system to the vehicle. Additionally, the system can be moved across the battlefield by sling load with the UH-60L.

The key advantages of the LOSAT are the tremendous overmatch lethality of the KEM, which defeats all predicted future armored combat vehicles, and its deployability. The system can be reloaded in less than 10 minutes using on board materiel handling equipment.