CRAWL QUARTERS Air Force Tech. Sgt. Terrill Musselman works in the crawl space under the flooring below a hogan, a traditional Navajo home, during the Innovative Readiness Training's St. Michael's project near Window Rock, Ariz., July 9, 2013. Musselman is a Colorado Guardsman assigned to the 140th Civil Engineering Squadron. Military crews are working at St. Michael's Association for Special Education to improve roads, drainage and water lines. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 747056-N-SDL92-293.jpg Photo Gallery