4 1 10 Naval Training Command Primary Author mixed material 05020509760 Washington Naval Training Command 1972 cover_electronics-technician-3-2-vol-1-communications-20230918141135.jpg Naval Training Command Primary Author mixed material 05020526210 Washington Naval Training Command 1972 cover_machinist-s-mate-3-2-20230918084218.jpg Naval Training Command Primary Author mixed material Washington Naval Training Command 1972 cover_i-c-electrician-1-c-20230918083423.jpg Naval Training Command Primary Author mixed material 05020502710 Washington Cammell Laird & Company 1973 cover_basic-military-requirments-20230821222016.jpg