The F-35 Has 1 Nightmare Problem That Just Can't End

Summary and All the Main Points You Need to Know Right Now: The U.S. Department of Defense is withholding $5 million per F-35 Lightning II fighter jet delivered by Lockheed Martin due to delays in completing the Technology Refresh 3 (TR-3) upgrade.

-The Pentagon agreed to accept aircraft with a "truncated" TR-3 version, which will be fully upgraded later.

-Over 100 F-35s remain undelivered at Lockheed Martin's Texas facilities, and the backlog may take a year to clear. T

-R-3...