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 NL Workers install new eightfoot floating security barriers. en Naval Air Station NAS North Island San Diego Calif Sep Workers install new eightfoot floating security barriers around the Naval Air Station NAS North Island aircraft carrier basin This replaces the smaller barriers for added security around the base Navy