The Defense Department said Thursday the modification also covers non-recurring engineering services and falls under a previously awarded advance acquisition contract for the 10th batch of low-rate initial production F35s.
The Navy obligated FMS funds for the modification and Lockheed’s aeronautics business is scheduled to finish work in August 2019.
Lockheed received a $1.28 billion upfront fee from DoD in late November to fund low-rate initial production lot 10 F-35s.
DoD made the down payment as part of a potential $7.19 billion undefinitized contract action and less than a month after the department issued a $1.6 billion unilateral contract for the company to manufacture a total of 57 lot 9 fighter jets for U.S. and foreign military customers.