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 NKS Sailors aboard the amphibious dock landing ship USS Pearl Harbor LSD don their gas masks during general quarters. en INDIAN OCEAN Dec Sailors aboard the amphibious dock landing ship USS Pearl Harbor LSD don their gas masks during general quarters drill Pearl Harbor and embarked Marines from the th Marine Expeditionary