190624-N-VW723-0030 SAN DIEGO (June 24, 2019) Aviation Ordanceman Airman Jonathan Walker, from Alta, California (left), and Jacob Ware, from Nacogdoches, Texas, assemble a .50-Caliber Machine Gun aboard the aircraft carrier USS Nimitz (CVN 68). Nimitz is currently underway conducting routine operations. (U.S. Navy photo by Mass Communication Specialist Seaman Keenan Daniels/Released)