July 17, 2026 104th Fighter Wing celebrates flight surgeon's 15 years of service with 'fini flight' As the morning sun began to peak over the roof of the 104th Fighter Wing main hangar on July 14, 2026, the excitement surrounding the fini flight for U.S. Air Force Lt. Col. Mark ‘Shank’ Bigda, 104th Fighter Wing flight surgeon, was palpable.