main gun

main defense area (line) / main defensive position

main tank/ main fuel tank

main gear box / main rotor transmission

main rotor transmission / main gear box

main-rotor head / main-rotor hub

main-rotor hub / main-rotor head

main gun (cannon) number

main armament and machine gun

L119 light gun (105 mm light gun)

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

gun control equipment / gun-control equipment (GCE)

duck gun (duck-gun)

flame gun / flaming gun

gun by gun

direction of the main blow

main (fighting) force(s)

Main Air Traffic Flow Management Centre (MATFMC)

Main Armaments Directorate of the RF Armed Forces

main attack

main ballast tank

main base

main battery

main battle area (MBA)

main battle force

main battle tank (MBT)

main blow

main body

main charge

main command post

main concentration (of troops)

main control room

main convoy