досягати переваги над противником
time-gain control / gain time control
gain superiority (over)
gain distance from the enemy
gain the (enemy's) rear
moral ascendancy (over the enemy)
defense advantage
military advantage
advantage ground
consolidate advantage
exploit advantage
press home an advantage
decisive advantage in fires
requisite fires advantage
gain
gain a foothold
gain altitude
gain booty
gain control
gain files
transducer gain
gain decisive results
incremental gain
incremental power gain
gain bona fides
automatic gain control (AGC)
gain contact
gain ground
automatic gain control
sum gain
swept gain
gain viсtory
capitalize one's gain