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:
Official U.S. Navy Imagery Sailor checks the seal of his gas mask.. BREMERTON Wash Aug Air Traffic Controller nd Class Timothy Egerdahl checks the seal of his gas mask in hangar bay one aboard the Nimitzclass aircraft carrier USS John Stennis CVN John Stennis is at homeport in Bremerton Wash preparing for an upcoming deployment