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:
U.S. Sailors with Naval Mobile Construction Battalion NMCB prepare to test air quality with an chemical agent detector kit during simulated chemical attack during chemical biological NJP. en Sailors with Naval Mobile Construction Battalion NMCB prepare to test air quality with an chemical agent detector kit during simulated chemical