Diversity receiving equipment AN/FRR-3 and AN/FRR-3a - USA Voorschrift, Technical Manual, 11-872 Aircraft engines - USA Voorschrift, Technical Manual, 1-405 Military Intelligence : identification of Japanese aircraft Heat treating and inspection of metals - USA Voorschrift, Technical Manual, 1-423 Air navigation - USA Voorschrift, Technical Manual, 1-205 Parachutes, aircraft fabrics, and clothing - USA Voorschrift, Technical Manual, 1-440 Service of the piece : 75-mm gun M 2 A 3, truck-drawn and horse-drawn - USA Field Artillery Field Manual, FM 6-56 Aircraft engines - USA Voorschrift, Technical Manual, 1-405 Theory of flight - USA Voorschrift, Technical Manual, 1-400 Elementary weather for pilot trainees - USA Voorschrift, Technical Manual, 1-231 weather observer - USA Voorschrift, Technical Manual, 1-235 Radiotelephone procedure, Army Air Forces - USA Voorschrift, Technical Manual, 1-460