Custodial services : Repairs and utilities - USA Voorschrift, Technical Manual, 5-609 Principles of automotive vehicles - USA Voorschrift, Technical Manual, 9-2700 Antenna coupling unit CU -128 A/U - USA Voorschrift, Technical Manual, 11-5000 Radar set AN/TPX-4 - USA Voorschrift, Technical Manual, 11-1160 Radio sets SCR-193-D, -G, -H, -J, -K, -KB, -KW, -L, -M, -P, -Q, -R, -S, -T, and -U - USA Voorschrift, Technical Manual, 11-273 Battery tester TS-183/U - USA Voorschrift, Technical Manual, 11-2571 Screens PH-555/GF and PH-556/GF - USA Voorschrift, Technical Manual, 11-2336 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 instruments - USA Technical Manual, TM 1-413 Radio transmitters BC-191-A, BC-191-B, BC-191-C, BC-191-D, BC-191-E, and BC-AA-191 - USA Voorschrift, Technical Manual, 11-800 Radio set SCR-503-A - USA Voorschrift, Technical Manual, 11-246A