direct support (DS)

air support field pack, field pack air support, airborne / para (air support) / Pathfinder Bergen

direct fire support

direct maintenance support

direct support and service

intended for direct fire support of advancing infantry and main battle tanks

immediate direct support

maintenance direct support battalion

fire support coordinator / fire-support coordinator (FSCOORD)

tactical support syn. combat support

alternating current-direct current (AC-DC) converter

direct action (DA)

direct approach

direct approaches

direct commercial sales (DCS)

direct current

direct damage assessment

direct effect of blast wave

direct exchange (DX) (logistics)

direct fire range

direct fire weapon

direct force

direct hit

direct laying fire

direct laying position

direct liaison authority (DIRLAUTH)

direct military threat

direct superior

direct threat of aggression

direct weapon

direct-action fuse

direct-drive clutch

joint direct attack munition (JDAM)