Petty Officer 3rd Class Christopher Cummins examines a hydraulic sample for an F/A-18 Super Hornet.
Petty Officer 3rd Class Christopher Cummins, assigned to Strike Fighter Squadron 81, examines a hydraulic sample for an F/A-18 Super Hornet aboard the aircraft carrier USS Carl Vinson (CVN 70) underway in the Pacific Ocean on Dec. 1, 2010. The Carl Vinson and Carrier Air Wing 17 are on a three-week composite training unit exercise followed by a western Pacific deployment.