Features: Army Reserve combat engineer soldiers take a break in the rain while waiting for their rappelling training to resume as part of a Sapper Leader Course Prerequisite Training at Camp San Luis Obispo Military Installation, Calif., July 19, 2015. The unit is grading soldiers on various events to determine which ones will earn a spot on a merit list to attend the Sapper Leader Course at Fort Leonard Wood, Mo. from the 374th Engineer Company, headquartered in Concord, Calif. U.S. Army photo by Master Sgt. Michel A. Sauret