(Left to right)U.S. Air Force Col. Gregory Gilmour, 315th Airlift Wing commander; Col. John Lamontagne, 437th Airlift Wing commander; and Col. Robert Lyman, 628th Air Base Wing commander, greet the Pacific Air Chiefs Sept. 16, 2015, Joint Base Charleston, South Carolina. The air chiefs, from Australia, Cambodia, Mongolia, Nepal, Bangladesh, Japan and the Philippines, visited JB Charleston as part of the Pacific Air Chiefs Symposium. The symposium helps further the Air Force's partnership with the countries by showcasing the mission and operations at various Air Force bases around the U.S. (U.S. Air Force photo/Capt. Brian Walker)

(From right to left) U.S. Air Force Chief Master Sgt. Robert Valenca, 628th Missions Support Group superintendent, greets Nepal Brig. Gen. Sudheer Shrestha, Army Aviation director general of Nepal, as he arrives at the headquarters building, Joint Base Charleston, South Carolina, Sept. 16, 2015. Shrestha, among several other Pacific Air Chiefs, received a briefing on the joint base mission by U.S. Air Force Col. Robert Lyman, 628th Air Base Wing commander; Col. John Lamontagne, 437th Airlift Wing commander; and Col. Gregory Gilmour, 315th Airlift Wing commander, as part of their visit for the Pacific Air Chiefs Symposium. The air chiefs, from Australia, Cambodia, Mongolia, Nepal, Bangladesh, Japan and the Philippines, visited JB Charleston as part of the Pacific Air Chiefs Symposium. The symposium helps further the Air Force's partnership with the countries by showcasing the mission and operations at various Air Force bases around the U.S. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)

U.S. Air Force Col. Robert Lyman, 628th Air Base Wing commander, briefs the Pacific Air Chiefs on the joint base mission at Joint Base Charleston, South Carolina, Sept. 16, 2015 as part of the Pacific Air Chiefs Symposium. The air chiefs, from Australia, Cambodia, Mongolia, Nepal, Bangladesh, Japan and the Philippines, visited JB Charleston as part of the Pacific Air Chiefs Symposium. The symposium helps further the Air Force's partnership with the countries by showcasing the mission and operations at various Air Force bases around the U.S. (U.S. Air Force photo/Airman 1st Class Thomas T. Charlton)