ATLANTIC OCEAN (March 23, 2022) A Mark 45 5-inch gun fires aboard the Arleigh Burke-class guided-missile destroyer USS Truxtun (DDG 103) during a live fire exercise for Task Force Exercise (TFEX), March 23, 2022. TFEX is a scenario driven exercise that serves as certification for independent deploying ships and is designated to test mission readiness and performance in integrated operations. Truxtun is underway for Carrier Strike Group (CSG) 4 training evolutions. (U.S. Navy photo by Mass Communication Specialist 2nd Class Hillary Becke)