Running life
Maj. Jason Kalin, 509th Logistics Readiness Squadron commander, poses in front of his running medals at Whiteman Air Force Base, Mo., April 16, 2015. Kalin has participated and completed one Ultramarathon (63.75 miles), 16 marathons, five half-marathons, two Bataan Death Marches and numerous 10 milers, 10Ks and 5Ks. To culminate his tour at Whiteman, Kalin is taking part in his last race as the commander of the 509th LRS, the Striker Life Half Marathon. (U.S. Air Force photo by Senior Airman Keenan Berry/Released)