Senior Airman Kenny Phonsyry, 437th Aircraft Maintenance Squadron crew chief, performs preflight checks at Joint Base Charleston, S.C., Sept. 23, 2017. The 14th Airlift Squadron, 437th Airlift Wing, flew a mobile air traffic control tower, food and water to St. Thomas, Virgin Islands in support of Hurricane Maria relief efforts. - Senior Airman Kenny Phonsyry, 437th Aircraft Maintenance Squadron crew chief, performs preflight checks at Joint Base Charleston, S.C., Sept. 23, 2017. The 14th Airlift Squadron, 437th Airlift Wing, flew a mobile air traffic control tower, food and water to St. Thomas, Virgin Islands in support of Hurricane Maria relief efforts.