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 NNK Cmdr. T.R. Buchanan commanding officer of the Los Angelesclass attack submarine USS Albany SSN explains sonar r. en NORFOLK Aug Cmdr Buchanan commanding officer of the Los Angelesclass attack submarine USS Albany SSN explains sonar room operations to Vice Adm Carlos Manuel Weston Zanelli commander of Peruvian Naval