40MM Floating Flare
ARMY LAND WARFARE LAB ABERDEEN PROVING GROUND MD
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The 40mm Floating Flare Cartridge is a fixed round for the M79 and M203 grenade launchers for nighttime target or position marking in inundated areas, mud, or snow. These yellow, green, and red flares are identifiable for approximately 90 seconds from a range exceeding 3000 meters at an altitude of 1000 feet on a clear night. These cartridges were developed in response to a need expressed in Vietnam, which later was formalized by inclusion in a Materiel Need QMR for 40mm signals. Engineering design tests have been conducted and field evaluation is scheduled in Alaska.