TU-876 Mk 104 Standard Missile SM-2 Motor | ATK Rocket Garde… | Flickr
Oktava MK-104 condenser microphone. Oktava-online - only genuine Russian made studio microphones
OKTAVA MK-104 Black Condenser Microphone
Naval Air Crewman 3rd Class John Porcuna, left, and Naval Air Crewman 2nd Class Jeff Coonce, both assigned to Helicopter Mine Countermeasures Squadron (HM) 15, lower a Mk 104 acoustic mine sweeping