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 NF Gunner's Mates aboard the guided missile cruiser USS Cowpens CG clean the barrel of MK inch gun. en Coral Sea June Gunner's Mates aboard the guided missile cruiser USS Cowpens CG clean the barrel of MK inch gun after successfully completing joint exercise with vessels assigned to the USS Kitty Hawk CV Carrier Strike