covering (from enemy attack); protection
to cover; to hide; to conceal; to wrap; to disguise
direct escort; direct cover; combat air patrol; CAP
cover; concealment; masking; occultation
bunker; covered trench; dugout
emplacement; bunker; shelter
(providing) covering fire; supporting (someone in a debate, dispute, etc.); backing (someone) up
sneak attack (by a small group); surprise attack
cover; mantle; shroud; hood; casing