ATLANTIC OCEAN (Feb. 23, 2021) Hospital Corpsman 1st Class Margaret Hooker, from Bloomfield, Connecticut, shows how the I-Gel breathing tube works aboard the Arleigh Burke-class guided-missile destroyer USS Mahan (DDG 72), Feb. 23, 2021. Mahan is operating in the Atlantic Ocean in support of naval operations to maintain maritime stability and security in order to ensure access, deter aggression and defend U.S., allies and partner interests. (U.S. Navy photo by Mass Communication Specialist Seaman Ryan Childress)