U.S. Air Force Tech. Sgt. Joseph McKeown IV, Headquarters Air Force Flight Standards Agency-European Regional Maintenance Center radar systems team lead, attaches a crane sling to a Ground Pulse Navigation-20 Airport Surveillance Radar antenna, May 13, 2015, at Aviano Air Base, Italy. The team of radar systems technicians from Kapaun Air Station, Germany, worked with the 31st Operations Support Squadron ground radar maintenance flight and the Air Force Life Cycle Management Center, Hanscom Air Force Base, Mass., to remove the decommissioned antenna from a 77-foot tower. (U.S. Air Force photo by Staff Sgt. R.J. Biermann/Released)