"My first strike was January 28th, 2013, at 6:49 in the morning," Tanner Yackley told Business Insider's Maggie Cai in a recent interview. "It ended up being a cave in the middle of nowhere, and there was a handful of people there that they wanted us to take out," he said. Yackley enlisted in the US Air Force in 2010 at age 18 and was discharged in 2018. See an extended interview with him for BI's video series " Authorized Account " below: Recalling that first strike, he said, "Every thought