PORTSMOUTH, Va. (June 21, 2024) Capt. Dave Pollard, left, Capt. Robert Bibeau, center, and Command Master Chief Nick Wallace attend a change of command ceremony aboard the Nimitz-class aircraft carrier USS George H.W. Bush (CVN 77), June 21, 2024. During the ceremony, Capt. Robert Bibeau relieved Capt. Dave Pollard as commanding officer, USS George H.W. Bush (CVN 77). USS George H.W. Bush is undergoing a planned incremental availability to increase lethality and survivability, and to complete preservation and upgrades for future operations. (U.S. Navy photo taken by Mass Communication Specialist 2nd Class Jacob West)