Shipbuilders at Northrop Grumman Shipbuilding completed a significant milestone on the Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71) by completing the installation of the ship's propulsion shafting and propellers on Dec. 5. Photo by Jo...

Shipbuilders at Northrop Grumman Shipbuilding completed a significant milestone on the Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71) by completing the installation of the ship's propulsion shafting and propellers on Dec. 5.  Photo by Jo...
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Shipbuilders at Northrop Grumman Shipbuilding completed a significant milestone on the Nimitz-class aircraft carrier USS Theodore Roosevelt (CVN 71) by completing the installation of the ship's propulsion shafting and propellers on Dec. 5. Photo by John Whalen.