Maj. Gen. T. Glenn Davis, the mobilization assistant to the commander, Air Force Life Cycle Management Center, and a select team of F-15 Sustainment professionals, visited the wing in what was billed as a customer service visit, Dec. 5, 2015. Many line-level maintainers explained the current problems with keeping a legacy aircraft, some as old as 37 years, aloft. (U.S. Air National Guard photo by Master Sgt. Jennifer Shirar, 173rd Fighter Wing Public Affairs/released)