outline the main line of defense (of the enemy)

main defense area (line) / main defensive position

outline plan

main line of defense (resistance)

main defense (line) area

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

overwhelm an enemy / overwhelm the enemy

pass around the enemy's main force

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

destroy the integrity of the enemy's defense

shallow enemy defense

breach enemy defense

enemy defense breach

main defense forces

main defense zone (defence)

main zone of defense

interrupt the enemy's line of retreat

shatter the enemy's line

main fighting line

main line of advance

main battle line

perimeter defense (all-around defense)

beach defense mine / beach-defense mine

back line defense

observer-target line (OT line)

scheme trail line (tag line)

adversary (enemy)

carry the fight to the enemy

carry the war to the enemy