
This is a high-speed target for firing practice with automatic A.A. weapons.
The propellant has grains five inches long and 7/8-inch in diameter, with a 5/16-inch axial hole. It is ignited by an electric squib.
M2A1: When a flare is added to the 3.25-inch Target Rocket M2 for antiaircraft target practice at night, the resulting projectile is designated as the M2A1. The flare burns for 30 seconds from the beginning of flight.
M2A2: This design has a flat nose, to which is threaded a yellow flare for both day and night tracking. It also has a different system for igniter contact: the lead wires pass in turn through the nozzle and an inner fiber closing cup and connect to a household-type service plug, which is held by an outer fiber-board closing cup. There are 18 inches of igniter cable coiled between the closing cups, to allow ample lead for connecting to the launcher.
No information about functioning.
No information about hazardous components.
Nothing else to see.
OP 1664, Volume 1 - US Explosive Ordnance (1947)