"The purpose of the investigation was to identify the cause and contributing factors that led to this tragic and unfortunate incident,” Accident Investigation Board team leader Brig. Gen. John C. Millard told WSB-TV.
"By conducting a thorough review and investigation, we hope to provide answers to the families of brave airmen that lost their lives and prevent future occurrences and tragedies."
>> Related: Horrifying photos of the military plane crash
Millard's team spent about a month reviewing an array of evidence, including interviews, logs, video, briefing material and inspection of aircraft wreckage, WSB reported.