insert special forces teams into enemy territory

incursion into enemy territory

swift entry into hostile territory

Rapid Expert Assistance and Cooperation Teams (REACT)

enemy-held territory

barrel insert

exhaust valve insert

insert locking lug

insert of cap

insert а clip

eye-slaved projected raster insert

anti-detonation armoured insert

ambulance insert

Small Arms Protective Insert (SAPI)

Enhanced Small Arms Protective Insert (ESAPI)

wade into the enemy

carry the war into the enemy's country

acquisition of land / territory

hostile territory

state territory

territory transfer

aerodrome adjacent territory

densely populated (densely-populated) area (region) / territory / country

absorption of territory

armor territory (terrain)

Russian-held territory

take back territory

overwhelm an enemy / overwhelm the enemy

enemy forces

hinder enemy forces' movement

enemy air forces

grind down enemy forces

grinding down enemy forces