MEDITERRANEAN SEA (March 17, 2023) Sonar Technician 2nd Class Kailub Rivera, assigned to the Arleigh Burke-class guided-missile destroyer USS Delbert D. Black (DDG 119), clears a passage way during an active shooter drill, March 17, 2023. The George H.W. Bush Carrier Strike Group is on a scheduled deployment in the U.S. Naval Forces Europe area of operations, employed by U.S. 6th Fleet to defend U.S., allied, and partner interests. (U.S. Navy photo by Mass Communication Specialist 3rd Class Christopher Stachyra)