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