Maintaining in Sardinia Published Oct. 18, 2002 DECIMOMANNU AIR BASE, Sardinia (AFPN) -- Staff Sgt. Ryan Alfke, a 31st Aircraft Maintenance Squadron crew chief, changes out oil screen filters during post-flight inspections on an F-16 Fighting Falcon. The 31st Fighter Wing deployed here from Aviano Air Base, Italy, in mid-September while the Aviano fightline is repaired and a new lighting system installed. (Photo by Staff Sgt. Mitch Fuqua)