an attack that penetrates into enemy territory

clear or deep perception of a situation

the act of entering into or through something

the ability to make way into or through something

the depth to which something penetrates (especially the depth reached by a projectile that hits a target)

the act (by a man) of inserting his penis into the vagina of a woman

a bomb with about 30% explosive and a casing designed to penetrate hardened targets before the explosive detonates