What's Happening?
Lockheed Martin has delivered six F-35B aircraft to the U.S. Marine Corps without the new Northrop Grumman APG-85 active electronically scanned array (AESA) radars due to ongoing delays. The Marine Corps opted to wait for the upgraded radar rather than
accept the aircraft with the existing radar systems. The APG-85 requires modifications to the F-35's internal structure, and its performance details remain classified. During a Senate Armed Services Committee hearing, Lt. Gen. Gregory Masiello discussed the radar's integration and the associated power and thermal management system (PTMS) upgrades needed for the F-35's Pratt & Whitney F135 engine. The PTMS upgrade, which is crucial for the radar's full capability, is expected to be incrementally available by fiscal 2031, although the APG-85 will be ready before then.
Why It's Important?
The delay in integrating the new radar systems into the F-35B aircraft highlights ongoing challenges in military technology upgrades and their impact on operational readiness. The Marine Corps' decision to wait for the APG-85 underscores the importance of advanced radar capabilities for modern military operations. This situation also reflects broader issues within defense procurement and the complexities of integrating new technologies into existing platforms. The delay could affect the Marine Corps' operational capabilities and readiness, potentially impacting U.S. military strategy and defense posture.
What's Next?
The Marine Corps and Lockheed Martin will continue to work on integrating the APG-85 radar into the F-35B aircraft. The Senate Armed Services Committee may hold further hearings to address the performance and integration challenges associated with the radar and PTMS upgrades. The outcome of these discussions could influence future defense procurement policies and funding allocations. Additionally, the Marine Corps will need to manage its operational capabilities while awaiting the full integration of the new radar systems.













