F-35 Lightning Strikes in 2025: Upgrades, War Zones, and Global Controversies
In 2025 the F-35 program began full Block 4 modernization, adding more than 75 enhancements, including the APG-85 AESA radar replacing the APG-81 and the TR-3 hardware/software upgrade that enables sensor fusion and open-system architecture. By May 1, 2025 Lockheed Martin had cleared the TR-3 backlog and delivered the last of 72 TR-3-era airframes, reaching roughly 200 F-35s delivered with TR-3 hardware by mid-2025 while full Block 4 software awaited U.S. certification. 2025 was targeted as a record production year with 170–190 total F-35 deliveries planned. Israel’s F-35I Adir jets flew notional Iran strikes in June 2025 with one-way ranges