A domed sea-based radar vessel, right, operated by the U.S. Missile Defense Agency, sits at Vigor Shipyards, Wednesday, May 11, 2011, in Seattle. The floating station normally operates in the Pacific,... more 
A domed sea-based radar vessel, right, operated by the U.S. Missile Defense Agency, sits at Vigor Shipyards, Wednesday, May 11, 2011, in Seattle. The floating station normally operates in the Pacific, and is in Seattle for the next several months for upgrades and maintenance work. less 
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Associated Press | Photo By Ted S. Warren
Wed, May 11, 2011 3:23 PM EDT