main force

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 (fighting) force(s)

main battle force

main military force

pass around the enemy's main force

main attack force

main fighting force(s)

combined arms force / combined-arms force

force-on-force training

lethal force (deadly force)

United States Air Force / US Air Force (USAF)

Commander Task Force / Commander, Task Force (CTF)

air force task force

direction of the main blow

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 tank (MBT)

main blow

main body

main charge

main command post

main concentration (of troops)