U.S. AIR FORCE ACADEMY, Colo. -- Chief Master Sgt. Tony Sena explains the basics of electrical wiring to Cadet 2nd Class Michael Nuss during construction of a Navajo hogan here June 12. The hogans, a traditional Navajo eight-sided structure, are scheduled to be delivered to the Navajo nation in Gallup, N.M., in October. Sena is from the New York Air National Guard's 106th Rescue Wing at West Hampton Beach, N.Y. (U.S. Air Force photo by 2nd Lt. Greg A. Hignite)