Lt. Col. Chris Bennett, prepares to cross the finish line at the Sleaford half-marathon Feb. 24, 2013, which started and finished at RAF Cranwell, Lincolnshire, England. Bennett recently completed his goal of running 20 “13s" in 2013 – 20 half-marathons, the majority of which he ran while stationed at RAF Mildenhall in England. Bennett is chief of airlift and tanker requirements, (Courtesy photo/Molly Bennett)