190218-N-XM904-1004 ATLANTIC OCEAN (Feb. 18, 2019) Aviation Machinist’s Mate 3rd Class William Addo from the Griffins of Helicopter Maritime Strike Squadron (HSM) 79 performs maintenance an MH-60R Sea Hawk helicopter in the hangar bay aboard the Nimitz-class aircraft carrier USS Abraham Lincoln (CVN 72). Abraham Lincoln is underway conducting a composite training unit exercise (COMPTUEX) with Carrier Strike Group (CSG) 12. The components of CSG 12 embody a team-of-teams concept, combining advanced surface, air and systems assets to create and sustain operational capability. This enables them to prepare for and conduct global operations, have effective and lasting command and control, and demonstrate dedication and commitment to becoming the strongest warfighting force for the Navy and the nation. (U.S. Navy photo by Mass Communication Specialist Seaman Kyler A. Sam/Released)