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 NR Sailors aboard the aircraft carrier USS John C. Stennis CVN don MCUP gas masks under respirator testing shroud to assess for proper fit. en Pacific Ocean Dec Sailors aboard the aircraft carrier USS John Stennis CVN don MCU gas masks under respirator testing shroud to assess for proper fit The assessment is joint service