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time-gain control / gain time control
artificial concealment
concealment
concealment and deception
deliberate concealment
mobile concealment
natural concealment
overhead concealment
cover and concealment
observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)
radar target concealment
area of concealment
joint concealment centre
gain a foothold
gain altitude
gain booty
gain files
transducer gain
gain decisive results
incremental gain
incremental power gain
gain bona fides
gain advantage over the enemy
automatic gain control
sum gain
swept gain
gain viсtory
capitalize one's gain
consolidate a gain
gain a footing
gain by force
gain distance from the enemy