Sapper Stakes 2015
U.S. Army Reserve and National Guard combat engineer teams kick off their second day of Sapper Stakes 2015 with an Army Physical Fitness Test in the darkness of morning, wearing combat boots and uniform pants at Fort Chaffee, Ark., Aug. 31. The competition is designed to build teamwork, enhance combat engineering skills and promote leadership among the units. (U.S. Army photo by Master Sgt. Michel Sauret). Original public domain image from Flickr