The U.S. Air Force’s ambitious B-52J upgrade program—the modernization effort that will keep America’s iconic Cold War bomber flying into the 2050s—just took a brutal hit from a Government Accountability Office watchdog report. New engines and radar costs have ballooned by $3.5 billion combined, and Initial Operational Capability could be delayed by as long as three years to 2033.
The B-52J Bomber Challenge
A U.S. Air Force B-52 Stratofortress, assigned to the 5th Bomb Wing, conducts aerial refueling with a KC-135 Stratotanker, assigned the 350th Expeditionary Air Refueling Squadron, June 14, 2024 during a presence patrol mission over the U.S. Central Command area of responsibility. The B-52 is capable of flying at high subsonic speeds, at altitudes of up to 50,000 feet, within the atmospheric tropopause, with worldwide precision navigation capability, providing a unique rapid response to senior coalition leaders globally. (U.S. Air Force photo by Tech Sgt. Ashley Sokolov)
Air power has played a significant role in the U.S. conflict with Iran. There is no substitute for bomber dominance, and President Donald Trump is sure that bombers like the B-2, the B-1B, and the B-52 are indispensable assets for what he wants to accomplish in the Middle East.
The B-52 Stratofortress is a headline attraction for those seeking zero-fail missions that punish enemy ground targets. The B-52 has pummeled Iranian nuclear infrastructure, eliminated underground missile sites with bunker-busting bombs, and brought a vicious fight to the Iranians despite its advanced age.
The B-52 will have a bright future if the Air Force has its way. Someday it could launch drones or even blast targets with lasers. The Massive Ordnance Penetrators will continue to be a feature that makes B-52 crew members smile. Once the United States has maintained air superiority, this airplane can bring the noise like no other.
What Is the B-52J Modernization Program?
Could the B-52 serve into the 2050s? That’s what the Air Force is planning with the B-52J upgrade program. The first glaring need is for new engines. Rolls-Royce and Boeing have been hard at work replacing the power plants.
A U.S. Air Force B-52H Stratofortress assigned to the 2nd Bomb Wing prepares to depart for a Bomber Task Force mission at Barksdale Air Force Base, La., May 18, 2025. These bomber missions are representative of the U.S. commitment to our allies and enhancing regional security. (U.S. Air Force photo by Airman 1st Class Jaiyah Lewis)
Rolls-Royce claims that ground tests on the engines have been completed. They like the data they are collecting, and this should power the bomber for the next two decades or more.
This engine will be known as the F130 with a dual-pod design. Aside from that important addition, the B-52J will be one of the most powerful and highly adept B-52s that the Air Force has ever seen. There will be a new avionics suite.
All the computers will be replaced. Moreover, the command-and-control nodes have been redesigned. Weapons launching systems are going to be top-notch.
CONECT Aims to Improve Communication Ability
There is also the Combat Network Communication Technology (CONECT), which will enable the B-52J to be more interoperable with ground control and other escort aircraft during deep-strike missions.
CONECT will allow the crew to get up-to-the-minute updates about targeting and anti-aircraft fire.
This will make the munitions it carries more accurate, and those on board will have better situational awareness, improving survivability in contested airspace. Information sharing is enabled by the ARC 210 Warrior, a software-enabled voice-and-data sharing device.
Total Weapons Upgrade
In attack mode, “the 1760 Internal Weapons Bay Upgrade, or IWBU, will allow the B-52 to internally carry up to eight of the newest ‘J-Series’ bombs in addition to carrying six on pylons under each wing.
A B-52H Stratofortress sits on the flightline before a munitions load operation at Minot Air Force Base, North Dakota, Sept 5, 2025. The base-wide readiness exercise tested the wing’s ability to generate aircraft, conduct security operations and respond to challenging scenarios. (U.S. Air Force photo by Airman 1st Class Vincent Padilla)
The B-52 has previously been able to carry JDAM weapons externally, but with the IWBU, the aircraft will be able to internally house some of the most cutting-edge precision-guided Joint Direct Attack Munitions and Joint Air-to-Surface Standoff Missiles, among others,” according to my colleague Kris Osborn.
The nuclear-equipped Long-Range Standoff missile is also onboard, along with the older Air-Launched Cruise Missile.
The B-52J Radar Modernization Program is important for keeping this huge warbird in the loop while helping it detect attacking aircraft and surface-to-air missiles. It will also optimize targeting systems.
Blistering Report from Government Watchdog
This all sounds great, but the B-52J upgrade program has not advanced without controversy. There have been significant schedule slips and cost overruns. In 2024, the U.S. Government Accountability Office (GAO) sank its watchdog teeth into the B-52J, and Members of Congress did not like what the GAO found.
Multi-billion Dollar Cost Overrun
The price of the new engines went up from $12.5 billion to $15 billion. The new radar was supposed to cost $2.3 billion. That sum jumped to $3.3 billion.
“The Government Accountability Office’s [GAO] most recent weapon systems assessment found that the program’s initial operational capability may be delayed by as long as roughly three years, out to 2033,” according to Breaking Defense.
‘Dog Ate My Homework’
The Air Force blamed the problems on having the contractual language changed from the “Middle Tier of Acquisition pathway to a Major Capability Acquisition.”
That is defense acquisition word salad, which means the prime contractor can raise prices and take longer to install the updates.
That is not a good rationale for the significant contractual changes.
Is the B-52J upgrade program worth it? The older B-52s had seen better days. They were just receiving digital systems and GPS capability during the early 1990s. Since then, the computers have not improved greatly. It needs to be a modern platform for 21st-century weapons systems and better situational awareness, along with improved propulsion.
The Air Force Should Monitor the Situation Closely
But as GAO concluded, the Air Force should have kept a better eye on budget and schedule creep. We are talking about an additional $3.5 billion for the upgrade package, and the modernization will take much longer.
The Air Force and Congress will have to just grin and bear it because the B-52J is needed until the B-21 Raider stealth bomber comes online in the 2030s. The B-52J, despite all the improvements, will not be a Day One asset like the B-21 and B-2.
This concerns me that future air superiority efforts will take longer against an adversary like China, leaving the B-52J without a fight, as it lacks stealth capabilities.
So the B-52J program is a mixed bag. The Air Force loves the capability, but bean counters do not like what they are seeing in the effort. There may have been too many systems to upgrade at once. We will keep an eye on the B-52J. This project has become larger than expected, and it needs to finish strongly before the modernization effort can be considered a success.
About the Author: Brent M. Eastwood, PhD
Author of now over 3,500 articles on defense issues, Brent M. Eastwood, PhD, is the author of Don’t Turn Your Back On the World: A Conservative Foreign Policy and Humans, Machines, and Data: Future Trends in Warfare, plus two other books. Brent was the founder and CEO of a tech firm that predicted world events using artificial intelligence. He served as a legislative fellow for US Senator Tim Scott and advised the senator on defense and foreign policy issues. He has taught at American University, George Washington University, and George Mason University. Brent is a former US Army Infantry officer. He can be followed on X @BMEastwood.
