Aviation investigators say the South Dakota-based Air Force pilot killed in the crash of his civilian airplane in Colorado was rated "exceptionally qualified" on his last military flight review. Twenty-five-year-old Capt. Anthony Riggan and his wife, Nicole, died when the single-engine Mooney M20E crashed at the Colorado Springs airport in freezing fog on Dec. 22. Martin Riggan was a B-1B bomber pilot stationed at Ellsworth Air Force Base, S.D. A National Transportation Safety Board report dated Wednesday noted that Martin Riggan's rating on his last military mission and instrument flight review. The report recounts the findings of the investigation, many of which were disclosed in a previous report and interviews with an investigator. An investigation by the National Transportation Safety Board found Riggan's plane crashed about five minutes after he reported missing his approach to the runway. The Federal Aviation Administration said the pilot had aborted one landing attempt and was entering a flight pattern for another attempt at the time of the crash.The NSTB said no engine problems were found. A final report on the crash's cause hasn't been issued.Anthony Riggan was air Air Force Academy graduate and the two were married at Garden of the Gods. The Riggans were coming to visit their family in Colorado Springs for Christmas when they were killed.