Maj. Erin Manning, 931st Civil Engineer Squadron commander, accepts the unit's guide-on from Col. Edsel Frye, Jr., 931st Air Refueling Group commander, here on June 12. Major Manning replaces Col. Kimberly Thompson who accepted an assingment to 904th Civil Engineer Flight at March Air Reserve Base, Calif. to assist in establishing a speciality engineering team. (U.S. Air Force Photo/Capt. Tim Wade)