machine-gun trainer

submachine gun / sub-machine gun (SMG; smg)

machine-to-machine data communication

human machine interface (HMI) / human-to-machine interface

primary trainer

trainer

training aircraft (tng acft) / trainer aircraft

Fire Support Combined Arms Tactical Trainer (FSCATT)

supporting arm virtual trainer (SAVT)

Controller Interceptor Trainer (CIT)

individual conduct of fire trainer

field artillery trainer

jet trainer

strap-on trainer

Dismounted Close Combat Trainer (DCCT)

tracer wand trainer

fire-control trainer

battle force tactical trainer

battle group tactical trainer

tactical battle group trainer

range estimation trainer

electronic countermeasures trainer

radar trainer

radio trainer

rear crew trainer cabin

trainer port

antiaircraft machine gun

general purpose machine gun (GPMG)

heavy machine gun (HMG)

large caliber machine gun

light machine gun (LMG)

machine gun (MG; mg)

medium machine gun (MMG)