By Air Force Tech. Sgt. Jennifer Lindsey Special to American Forces Press Service RANDOLPH AIR FORCE BASE, Texas, Jan. 2, 2009 For the past 15 months, Leo Knight-Inglesby has pushed himself beyond the limits he and his loved ones ever thought possible. [caption id="attachment_3004" align="alignleft" width="250"] Leo Knight-Inglesby, left, reviews his Air Force enlistment contract with his recruiter, Air Force Staff Sgt. Ty Lopez, in the Rockville, Md., recruiting office. The 22-year-old lost more than 160 pounds to join the Air Force. U.S. Air Force photo by Staff Sgt. Ty Lopez.[/caption] The 22-year-old Silver Spring, Md., native shed more than 160 pounds to meet the physical standard of Air Force enlistment, amazing his recruiter, family and friends. "No one believed I would do it till I showed them the [enlistment] papers," Knight-Inglesby said. "My life has completely changed. Not only am I stronger, physically, I am mentally stronger and more confident."The 22-year-old Silver Spring, Md., native shed more than 160 pounds to meet the physical standard of Air Force enlistment, amazing his recruiter, family and friends. Today, the former 351-pound college freshman noshes only on healthy food, limits his daily caloric intake and exercises at least five days a week. Although he maintains the same smile, he looks like a different person at about 190 pounds, his recruiter, Air Force Staff Sgt. Ty Lopez, said. "He's well on his way to making his goal of 185 pounds before heading to basic military training," Lopez said.