Military intelligence : identification of U.S. government aircraft - USA Voorschrift, Basic Field Manual, 30-30 Military Intelligence : identification of Japanese aircraft Parachutes, aircraft fabrics, and clothing - USA Voorschrift, Technical Manual, 1-440 Aircraft engines - USA Voorschrift, Technical Manual, 1-405 Antiaircraft artillery : service of the piece 105-mm antiaircraft gun - USA Coast Artillery Field Manual, FM 4-130 Antiaircraft artillery : position finding and control antiaircraft searchlights - USA Coast Artillery Field Manual, FM 4-111 3-inch antiaircraft gun matériel M2 A2, M2 A1, M1 A2, M1 A1, T1 A2 and T1 A1 : Ordnance maintenance - USA Voorschrift, Technical Manual, … 20-MM aircraft gun matériel M1 and M2 - USA Voorschrift, Techincal Manual, 9-227 Aircraft engines - USA Voorschrift, Technical Manual, 1-405 Aircraft instruments - USA Technical Manual, TM 1-413 Antiaircraft artillery target practice - USA Voorschrift, Technical Manual, No. 4-234 Coast artillery Gunners' instruction, antiaircraft gun, automatic weapon, and headquarters batteries, first and second class gunners - USA Voorschrift, Technical Manual, 4-325