sound-flash grenade

stun grenade / flash grenade / flashbang / thunderflash / sound bomb

sound and flash grenade

AP [anti-personnel] grenade pouch / frag [fragmentation] grenade pouch / HE grenade pouch

sound ranging (artillery sound ranging)

sound and flash battalion

sound-flash survey

flash-bang grenade

flash grenade    

flash and blast stun grenade

flash and blast stun grenade

flash bang distraction grenade

flash bang hand grenade

flash-crash grenade

flash to bang / flash-to-bang (time)

flash-ranging (location), flash-spotting

clicking sound

communications by sound

high-intensity sound

sonar (sound navigation and ranging)

sound communication

sound wave

sound-absorbent tile

artillery sound reconnaissance

supersonic speed (exceeds speed of sound / Mach 1)

sound damping

aerial sound ranging

air registration point (in sound ranging)

high-frequency sound waves

sound-proof compartment

background sound pressure level

overall sound pressure level

adjusted slope of sound pressure level