180203-N-NB178-063 ATLANTIC OCEAN (Feb. 3, 2018) Sailors perform a foreign object debris walk down on the flight deck of the Arleigh Burke-class guided-missile destroyer USS Forrest Sherman (DDG 98). Forrest Sherman is underway with the Harry S. Truman Carrier Strike Group (CSG) conducting a composite training unit exercise, which evaluates the strike group’s ability as a whole to carry out sustained combat operations from the sea and ultimately certifying the CSG for deployment. (U.S. Navy photo by Mass Communication Specialist 2nd Class Tyrell K. Morris/Released)