Rea Leaping An Air Force sergeant leads Rea, a military working dog, through an obstacle course on Vance Air Force Base, Okla., Jan. 11, 2016. The airman is assigned to the 71st Security Forces Squadron. U.S. Air Force photo by David Poe SHARE IMAGE: Download Image: Full Size (0.39 MB) Photo By: David Poe VIRIN: 150111-F-KV967-301.JPG Photo Gallery