190727-N-PC620-0066 ATLANTIC OCEAN (July 27, 2019) Fire Controlman 1st Class John Sullivan, from Lucerne Valley, California, reassembles an M61A1 20 mm gun from a close-in weapon system aboard the Ticonderoga-class guided-missile cruiser USS Normandy (CG 60) as part of semi-annual maintenance, July 27, 2019. Normandy is underway conducting a composite training unit exercise with the Harry S. Truman Carrier Strike Group. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael H. Lehman/Released)