Pentagon to give Pratt & Whitney sole-source F-35 engine upgrade work
Company declares itself on track to deliver preliminary design for January review.
Source: defenseone.com
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Company declares itself on track to deliver preliminary design for January review.
Company officials spar over access to engine information.
New GAO report details another $1.4 billion in upgrade costs, and additional delays.
All jets had received the modification earlier this month, but the Pentagon is still trying to figure out why a mysterious vibration is happening.
The U.S. Air Force decided to upgrade the existing engine instead of pursuing a new adaptive engine, and will likely talk to partners about the change l...