https://www.defensenews.com/air/2023/01/10/f-35-undergoes-first-test-flight-with-tr-3-hardware-software-upgrades/
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1/10/23 at 9:46am
Organization
DefenseNews.com
Author
Stephen Losey
The Technology Refresh 3 upgrades will lay the groundwork for a major modernization effort known as Block 4.
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