Cannon Chore Sailors lower an M61A2 Vulcan rotary cannon from an F/A-18E Super Hornet in the hangar bay of the USS Theodore Roosevelt in San Diego, April 10, 2017, as the aircraft carrier conducts training off the coast of Southern California. Navy photo by Petty Officer 3rd Class Spencer Roberts SHARE: Download: Full Size (2.28 MB) Credit: Navy Photo by Petty Officer 3rd Class Spencer Roberts VIRIN: 170410-N-MJ135-254C.JPG Photo Gallery