Airman Demarcus Spencer, aviation ordnanceman, and Petty Officer 3rd Class Joseph Higson, aviation ordnanceman, lubricate dogs for the in-trunk hatch on an upper stage weapons elevator as part of a scheduled maintenance action aboard the aircraft carrier USS Carl Vinson. Carl Vinson and Carrier Air Wing 17 are on a three-week composite training unit exercise followed by a deployment to the U.S. 7th and 5th Fleet areas of responsibility.