The fixed-price incentive contract for detail design and construction is worth $1.5 billion.
"This contract validates our proven performance in building amphibious ships," said LPD program Vice President Doug Lounsberry. "Our shipbuilders have the necessary and unique skills to build these extremely complex warships and meet all Navy expectations.
"These ships are vital to our nation's defense and we are working safely and efficiently to ensure American sailors and Marines have the best product to defend our freedom."
The Navy's entire San Antonio class of ships is being built by Huntington Ingalls Industries. The ships are 684 feet long and 105 feet wide. They displace about 25,000 tons. They can carry as many as 800 troops and have the capability of transporting and debarking air cushion or conventional landing crafts, augmented by helicopters or vertical take-off and landing aircraft.
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