field manual Umpire manual Air navigation - USA Voorschrift, Technical Manual, 1-205 field manual Rules of land warfare / prepared under direction of the judge advocate general field manual Browning automatic rifle, caliber .30, M1918A2 with bipod / War Department field manual Military government / prep. under direction of The Judge Avocate General Parachutes, aircraft fabrics, and clothing - USA Voorschrift, Technical Manual, 1-440 field manual Explosives and demolitions / Prepared under direction of the chief of engineers 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