radio operator - USA Voorschrift, Technical Manual, 11-454 Message center-procedure - USA Voorschrift, Training Regulations, No. 160-10 Elementary map and aerial photograph reading - USA Voorschrift, Basic Field Manual, 21-25 department or the army pamphlet Defense production : a technique for graphic production coordination / Department of the Army Dropped and pick-up airplane messages - USA Voorschrift, Training Regulations, No. 160-6 List of publications for training - USA Basic Field Manual, FM 21-6 Basic field manual : List of publications for training - USA Basic Field Manual, FM 21-6 Camera set, motion picture KS-11(1); Camera PH-431-B - USA Voorschrift, Technical Manual, 11-2383A Facsimile sets AN/TXC-1, -1A and -1B - USA Voorschrift, Technical Manual, 11-2258 List of training publications - USA Basic Field Manual, FM 21-6 Signal communication for all arms and services - USA Voorschrift, Training Regulations, No. 160-5 Radio set, type SCR-132 - USA Voorschrift, Technical Regulations, No. 1210-30