180504-N-TN557-004 - French Air Force Gen. Denis Mercier, Supreme Allied Commander Transformation, poses with Adm. Phil Davidson following a change of command ceremony aboard the aircraft carrier USS George H.W. Bush (CVN 77). Allied Command Transformation (ACT) is the North Atlantic Treaty Organization's (NATO) home in North America and continues to serve as the transatlantic bond since its inception in 2003. The city of Norfolk, and the region as a whole, serves as the host to both military and civilian personnel from 34 allied and partner nations who are assigned to ACT. Official U.S. Navy Photo by Lt. Cmdr. Dawn Stankus (Released)