ATLANTIC OCEAN (Sep. 18, 2021) Lt. Elizabeth Rettie, the family practice physician aboard the aircraft carrier USS George H.W. Bush (CVN 77), examines a patient during a medical training drill. GHWB 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., allied and partner interests. (U.S. Navy photo by Mass Communication Specialist 3rd Class Brandon Roberson)