Aviation mechanics perform maintenance on the main rotor of an SH-60 Sea Hawk helicopter.
Aviation mechanics assigned to Helicopter Anti-Submarine Squadron 14 perform maintenance on the main rotor of an SH-60 Sea Hawk helicopter aboard the aircraft carrier USS George Washington (CVN 73) underway in the Pacific Ocean on Dec. 5, 2010. The George Washington is participating in Keen Sword 2011 with the Japan Maritime Self-Defense Force through Dec. 10.