
The F-35 Joint Program Office (JPO) and Lockheed Martin [LMT] said that deliveries of the first F-35s with the Technology Refresh-3 (TR-3) began on July 19. TR-3 is to allow the F-35 Block 4 upgrade--the integration of dozens of new weapons and sensors on the Lockheed Martin fighter. "Two F-35A Lightning II aircraft were delivered [with TR-3], one to Dannelly Field, Alabama, and one to Nellis Air Force Base, Nevada," the F-35 JPO said on July 19. U.S. Air Force…