Yancy Mailes, the Air Force Global Strike Command historian, was a 27-year-old staff sergeant at the time. It was June 25, 1996, and he had been the wing’s historian for three months. With little training and less experience, he found himself as one of the key contributors to documenting the tragedy of Khobar Towers, in 19 Airmen were killed and more than 350 others were injured during the terrorist attack.