Northrop Grumman Reaches Milestone on George H. W. Bush ConstructionNorthrop Grumman Corporation reached a construction milestone by lowering the final keel section of the George H. W. Bush (CVN 77) aircraft carrier into place. The 700-ton lower bow unit was joined to the other keel sections in the dry dock and completes the length of the carrier, which is as long as the Empire State Building is tall.
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