Report identifies cause of sun shelter collapse Release Number: 120314 3/16/2012 - LANGLEY AIR FORCE BASE, Va. -- A strong gust of wind caused structurally unsound sun shelters to collapse Sept. 8, 2011 at Nellis Air Force Base, Nev., according to the Air Combat Command Ground Accident Investigation Board report released today. According to the report, the sun shelter cable bracing caused the sunshade to collapse when a wind gust of approximately 65 miles per hour swept over the south side of the airfield. Maintenance and security personnel searched the site and identified 40 personnel on scene; all were treated and returned to duty.  Ten F-16 and two A-10 aircraft, four aircraft-mounted AIM-120 missiles, 21 pieces of aerospace ground equipment and nine government-owned vehicles sustained damage. The damage estimate was $7.4 million. Recovery operations continued throughout the night and the following day. For more information, contact the ACC Public Affairs office at (757) 764-5007 or e-mail accpa.operations@langley.af.mil.