гідроакустична станція з бортовими (бічними) антенами
array sonar
cylindrical array sonar
light-emitting-diode array (LED array)
passive electronically scanned array (PESA) / passive phased array
antenna array / array antenna
dipping sonar
hull-mounted sonar
passive sonar
shipborne sonar
sonar (sound navigation and ranging)
sonar sphere
buried object scanning sonar
hull mounted sonar
sonar beacon
sonar transmitter
surface sonar system
sonar countermeasures and deception
advance, flank, and rear guard
assailable flank
flank fire
flank guard
flank security
flank security force
flank security guard
flank-turning manoeuvre
go around the flank
left-flank attack
open flank
deep flank
flank out the enemy of a position
unprotected flank
unscreened flank