First lady Mamie Eisenhower breaks a champagne bottle on Nautilus' bow during the christening ceremony at the Electic Boat shipyard. Watching are John Jay Hopkins, left, president of General Dynamics Corp., which built the submarine, and Cmdr. Edward Beach, naval aide to President Eisenhower. Just before the first lady christened the boat, an EB worker high on a girder called out, 'Hit it good and hard, Mrs. Eisenhower.'
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