U.S. Air Force Senior Master Sgt. Russell Weatherby, 17th Security Forces Squadron individual mobilization augmenter, thanks volunteers for attending the Jacobson ruck march at the parade field on Goodfellow Air Force Base, Texas, Sept. 28, 2017. Weatherby led Jacobson’s fire team and was present when she was killed. (U.S. Air Force photo by Senior Airman Scott Jackson/Released)