Pentagon Sees 'Sufficient' Progress To Boost Fiscal Year 2015 F-35 Output
By Andrea Shalal-Esa/Reuters
Projected costs for operating and maintaining the plane were also decreasing, but further improvements were needed, the memo said.
It was also critical for the program to start follow-on development to meet the needs of the U.S. military and its partners to deal with emerging threats, the memo said.
Lockheed had no immediate comment on the memo.