direct maintenance support

organizational maintenance (O-level) (day-to-day work that standard airfield maintenance groups perform in support of airfield operations)

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

direct fire support

direct support (DS)

direct support and service

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

immediate direct support

contingency maintenance / special maintenance

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

maintenance checks / routine maintenance, scheduled tasks

maintenance idling (periodic running of engine for maintenance purposes)

routine maintenance / scheduled tasks, maintenance checks

scheduled tasks / routine maintenance, maintenance checks

special maintenance / contingency maintenance

logistics (maintenance) support

maintenance support

maintenance support team (MST)

missile maintenance support

vendor maintenance support

maintenance forward support team

training, maintenance and support service

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)