The contract covers Lots 2 and 3 of the helicopter, which will replace the aging CH-53E Super Stallion.
After cost growth in the Lot 1 contract for the helicopters, the Navy and Marine Corps reduced the latest contract to 12, compared to a previous plan to buy 14 under Lots 2 and 3.
Most of the work will be performed in Stratford, Conn., the Pentagon says.
Now read: Boeing Order Book Hit Hard In March »
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