Trouble shooting and repair of radio equipment - USA Voorschrift, Technical Manual, 11-4000 Signal generators TS-155/UP and TS-155 A/UP - USA Voorschrift, Technical Manual, 11-2657 Aircraft radio shop practice - USA Voorschrift, Technical Manual, 1-470 Aircraft mechanics tools - USA Voorschrift, Technical Manual, 1-425 Field service regulations : operations - USA Field Manual, FM 100-5 Transportation corps : military railroads and the military railway service - USA War Department Field Manual, FM 55-50 Military intelligence : identification of japanese naval vessels - USA Voorschrift, Basic Field Manual, 30-58 Aircraft hardware and materials - USA Voorschrift, Technical Manual, 1-424 Aircraft sheet metal work - USA Voorschrift, Technical Manual, 1-435 Grinding machines - USA Voorschrift, Technical Manual, 1-422 Aircraft woodwork - USA Voorschrift, Technical Manual, 1-414 Airplane structures - USA Voorschrift, Technical Manual, 1-410