Massive Barge Holds Secrets

By Jean Elle, NBC Bay Area

August 3, 2012 Updated Aug 3, 2012 at 1:28 PM PDT

A football field size barge with a retractable roof recently docked on Treasure Island is getting lots of attention.

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Workers with Bay Ship and Yacht say they are getting emails about the barge and people are stopping by the security fence asking questions.

NBC Bay Area News stopped by as well and got permission to board.

The barge is the Hughes Mining Barge or the HMB-1.

The military built the submersible barge for a secret mission. It carried a tool called The Claw, that the CIA used to grab a Russian submarine off the ocean floor. After that mission the HMB-1 docked at Lockheed Martin in Redwood City where another secret mission launched.

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