Press release: “A significant portion of the U.S. missile defense capability was wiped out during the summer of 2006 because torrential rains caused ground-based interceptor silos to be damaged by flood waters, the Project On Government Oversight has learned.” The press release includes a Fact Sheet with further data on this issue. It mentions a related GAO report, the complete reference for which is as follows: Defense Acquisitions: Missile Defense Acquisition Strategy Generates Results but Delivers Less at a Higher Cost GAO-07-387, March 15, 2007.