Accelerating Fifth-Gen Airpower April 27, 2023 | By Lt. Gen. Joseph Guastella, USAF (Ret.), Lt. Col. Eric Gunzinger, USAF (Ret.) and Douglas A. Birkey Beginning with the fiscal 2024 budget, every dollar for F-35 will fund TR-3-equipped Block 4 jets. The need for those jets could hardly be greater.