Half Marathon Matthew Cork, assigned to the 3rd Space Experimentation Squadron, runs through a crowd at the conclusion of the 13th annual half-marathon at Schriever Air Force Base, Colo., Oct. 12, 2018. SHARE IMAGE: Download Image: Full Size (3.25 MB) Tags: Air Force Photo By: Dennis Rogers, Air Force VIRIN: 181012-F-WR604-0023C.JPG Photo Gallery