face-hardened armor

volte-face / volte face

face-to-face combat

face-to-face contact

hardened aircraft shelter (HAS)

hardened position

hardened and networked army

buried and hardened cable communications system

hardened

armor ballistic bullet proof face mask

armor face

armor face mask

ricochet off the armor face

armor piercing projectile / armor-piercing projectile

armor kill / armor killing area

block face

breech face

desertion in the face of the enemy

face of the bolt

face paint

Future Airborne Capability Environment (FACE)

home-made face filter

muzzle face

the face of opposition

trunnion face

double-face hammer

face of bolt

face of cylinder

face of piston ring

face of the cylinder

face of the muzzle (of the piece)

guide face

valve face