Wired:
Torrential rains wiped out a quarter of the U.S.' intercontinental ballistic missile interceptor silos in Ft. Greely, Alaska last summer -- right when North Korea was preparing to carry out an advanced missile launch, according to documents obtained by the Project On Government Oversight.
"The flooding occurred during a three-week period between the end of June and early July 2006," POGO notes, in a statement. "The flooding damaged 25% of the U.S. interceptor missiles’ launch capability. These silos house the interceptor missiles that would be used to attempt to intercept a missile aimed at the United States. No interceptors were in the flooded silos."
An internal assessment by Boeing, the silos' chief contractor, shows seven flooded interceptor silos, out of the 26 at Ft. Greely. Two silos have more than 62 feet of water; a third has more than 50. Estimated times of repair range from four to 14 months. Boxcar like structures called Silo Interface Vaults (SIVs), adjacent to the interceptor silos, were also flooded, "two of them by as much as 15 feet of water," POGO says. "Three SIVs must have all electronic and mechanical systems replaced. Four other SIVs have partial damage. One SIV was so damaged that it shifted vertically in the ground like a house shifting off its foundation." It's a strange turn of events, considering "an environmental impact study of the facilities at Ft. Greely notes there is 'little rainfall in the region.'"
It should be noted that this system costs us $9 billion a year to protect us from rogue nations. And it can't even protect us from a hard rain.