field maintenance

field officer (field-grade officer / senior officer)

combat field pack, field pack

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

combination field and field-off duty uniform

field maintenance unit

field maintenance squadron (FMS)

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)

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

routine maintenance / scheduled tasks, maintenance checks

scheduled tasks / routine maintenance, maintenance checks

special maintenance / contingency maintenance

acoustic field

antiamphibious minefield  (anti-amphibious mine field)

army in the field

command field exercise (CFX)

crisis medicine field demonstration

fast-moving battle (field)

FH70 field howitzer (towed / self-moving)

field ambulance

field and command post exercise

field army

field army signal brigade

Field Artillery (FA)

field artillery delivery system

field artillery howitzer battalion

field cap

field commander

field communications wire

field court-martial