Northrop Grumman announced Tuesday that its APG-81 active electronically scanned array radar system performed well during its first use aboard BF-4, one of the F-35 test aircraft. “[The] radar met and exceeded performance expectations, tracking long range targets at all aspect angles with excellent stability,” said Jeff Leavitt, vice president of combat avionics at Northrop’s Electronic Systems sector. He said the system detected airborne targets before the radars on F-16 and F-18 chase airplanes. Leavitt said subsequent test flights will assess the APG-81’s high-resolution synthetic aperture radar modes and additional advanced capabilities. BF-4 is the first F-35 test aircraft to be fitted with the sensor package destined for the strike fighter. BF-4 flew for the first time in April.
Dick Cheney’s Legacy with the Air Force
Nov. 6, 2025
Dick Cheney, who died Nov. 3 at 84, is best remembered by most Americans as among the most powerful Vice Presidents in history, a consummate Washington insider who had previously served in the Nixon administration, was Chief of Staff for President Gerald Ford, a Congressman for a decade, and Secretary…
