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 NE An Aviation Boatswain's Mate signals the shooter that the launch bar is in place. en Mediterranean Sea Apr An Aviation Boatswain's Mate signals the shooter that the launch bar is in place and the aircraft is ready to be launched from one of four steam driven catapults on the flight deck of USS Harry Truman CVN Truman