main fighting line

main defense area (line) / main defensive position

main (fighting) force(s)

main fighting area / zone

main fighting force(s)

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

deployment line; line of deployment (LD); line of departure

main line of advance

main line of defense (resistance)

outline the main line of defense (of the enemy)

main battle line

main defense (line) area

observer-target line (OT line)

scheme trail line (tag line)

airborne infantry fighting vehicle

armored fighting vehicle (AFV)

armored infantry combat (fighting) vehicle (AICFV)

Armored Infantry Fighting Vehicle (AIFV)

Bradley fighting vehicle (BFV)

cavalry fighting vehicle (CFV); scout vehicle

clean / dirty fighting

F-16 Fighting Falcon

fighting ability

fighting bay

fighting capacity/efficiency

fighting compartment

fighting formation

fighting hole

fighting in built-up areas