duck for cover

сховатися в укритті; кидатися / ховатися в укриття (Two of Howe’s team returned fire as they ducked behind the low wall for cover. - Bowden, Mark. ``Black Hawk Down``- p. 35)

duck gun (duck-gun)

cotton duck harness

duck

duck down!

sitting duck

duck away

duck back

air box handhole cover

air cover

base cover

communications cover

construct cover

cover from view

cover plan

cover story

cover target

cover the retreat / withdrawal

crankcase handhole cover

deep-cover agent

front-line cover

operational cover

overhead cover(ing) / protection

protective cover

tactical cover and deception estimate

under cover of

body armour cover

DPM helmet cover

helmet cover

scrim cover

cover and concealment

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

frangible end cover