Air Force trainers involved in mid-air collision Published Nov. 28, 2007 COLUMBUS AIR FORCE BASE, Miss. (AFPN) -- Two Columbus Air Force Base T-6 Texan II primary trainers collided about 12:47 p.m. Nov. 28 near the Columbus AFB Auxiliary airfield in Shuqualak, Miss. At the time of the accident, the aircraft were conducting initial flight training operations. On-scene emergency response has located and confirmed all four pilots have parachuted safely. A board of officers will be appointed to investigate the accident. Additional details will be provided as soon as they become available.