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 NL Members of Mobile Diving Salvage Unit One MDSU assemble dual watering firing device for an underwater demolition training exercise. en Pearl Harbor Hawaii July Members of Mobile Diving Salvage Unit One MDSU assemble dual watering firing device for an underwater demolition training exercise MDSU is conducting training