This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
US Navy NS Lt. Cmdr Brad Terry center executive officer of the LosAngeles class attack submarine USS Boise SSN explains sonar room operations to Republic of Korea Navy Chief of Naval Operations Adm. Ju. en NORFOLK Jan Lt Cmdr Brad Terry center executive officer of the LosAngeles class attack submarine USS Boise SSN explains sonar