домагатися (досягати) раптовості
time-gain control / gain time control
obtain surprise
take smb. by surprise
technological surprise
artillery fire surprise
surprise close-range fire
effect surprise
accomplish surprise
attain surprise
capitalize on surprise
exploit surprise
sacrifice surprise
spring surprise (on)
surprise
surprise effect
surprise factor
surprise fire
surprise target
surprise attack
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