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:
Engineer Training Team Exercise DVIDS. en Petty Officer nd Class Jeffrey Pratt manually operates the feed water control on the Alpha boiler during an engineering training team exercise aboard the amphibious command ship USS Blue Ridge Petty Officer rd Class Daniel Viramontes dvidshub net USPACOM AT SEA PDUSGovMilitaryNavy USS Blue