PUBLISHED on August 6, 2025, 15:52 PM EST – Key Points and Summary – Will the B-21 Raider stealth bomber be obsolete by the time it enters service in the 2030s, given China’s rapid technological advancements?
-New Chinese air defenses, satellites, and sixth-generation aircraft could potentially counter the B-21.
The B-21 Raider program is on track and continues flight testing at Northrop Grumman’s manufacturing facility on Edwards Air Force Base, California. The B-21 will have an open architecture to integrate new technologies and respond to future threats across the spectrum of operations. The B-21 Long Range Strike Family of Systems will greatly enhance mission effectiveness and Joint interoperability in advanced threat environments, strengthening U.S. deterrence and strategic advantage. (U.S. Air Force photo)
-However, the B-21 Raider bomber is designed to be adaptable.
-Citing the proven success of current U.S. stealth technology in recent conflicts with Iran and the fact that China’s own advanced systems remain untested, the B-21 will likely remain a dominant platform.
Will the B-21 Raider Be Obsolete When it Enters Active Service?
One problem with airplanes envisioned for active duty in the future is that when the new warbirds finally arrive, they may be obsolete.
Aerial combat changes every month, and the war in Ukraine is primarily to blame for that.
Drones are becoming more ubiquitous.
Air defense capabilities advance in leaps and bounds. There are always improvements to artificial intelligence, and it is the dawn of quantum computing that could create a second revolution in military affairs.
But the B-21 Raider is ready for these eventualities. It will not end up like the U.S. Navy battleships of World War II, which were obsolete the moment they hit the water after being built.
This stealth bomber is everything it is cracked up to be.
Long-range conventional and nuclear-strike is assured.
It can collect critical intelligence, surveillance, and reconnaissance data.
B-21 Raider. Image Credit: Creative Commons.
The B-21 can carry hypersonic weapons, and the ultra-stealth coatings make it nearly undetectable while cruising to its targets.
China Believes It Has the Answer to Mitigate American Stealth Bombers
China is always the first concern, though.
This is where future innovation and improvements to technology could hamstring the B-21. China always proposes new surface-to-air missile systems, and these could have hypersonic intercepting projectiles someday.
Would the B-21 survive against those MACH 5+ missiles?
A more advanced radar and sensor system could detect the Raider, despite the fact that stealth technology has been maximized.
New Chinese satellites could spot a B-21 when it takes off and heads across the world for its strikes.
The Chinese may also be developing hypersonic spy planes to fly over the United States, enabling early detection of B-21 missions.
Big Plans for the B-21
The Air Force plans to acquire more than 100 B-21s, with the potential for the number to increase to 200 new Raiders.
This would lead one to believe that the White House and Congress are also optimistic about the program.
The B-21 Raider was unveiled to the public at a ceremony December 2, 2022 in
Palmdale, Calif. Designed to operate in tomorrow’s high-end threat environment, the B-21 will play a critical role in ensuring America’s enduring airpower capability. (U.S. Air Force photo)
Northrop Grumman’s Palmdale, California, manufacturing facility is a busy operation.
The Air Force aims to produce seven to eight bombers per year, and Lots One and Two have already been allocated 21 airplanes to be built in each tranche.
New Nuclear-Tipped Cruise Missile Would Make China Pay
These should be ready to fly on active status in the early to mid-2030s.
The Air Force plans for the B-21 to fire the Long-Range Stand-Off AGM-181A stealthy nuclear-armed cruise missile.
Avionics are fully modernized. Sensors, electronic warfare suites, and advanced communication systems are ready for prime time. The B-21 could fly with the new F-47 NGAD. The F-47 will also control unmanned Collaborative Combat Aircraft, which will create a large formation of modern aircraft.
But China Could Execute a Counter-attack
Can all these platforms survive in a competitive environment with emerging technologies?
China is quite aware of the B-21’s capabilities. It is also developing sixth-generation fighters and bombers.
These could answer a B-21 attack and place U.S. military installations in Guam, Japan, and South Korea in danger during a counter-strike.
Once the B-21 launches its weapons, China would react with its attacks that could also endanger the U.S. Navy’s warships in the Indo-Pacific.
That means that the B-21 and F-47, despite being completed and fit for duty, could create an arms race that would lead to a massive escalation of warfare.
It may be time to rethink just how dominant the B-21 will be.
B-2 Bomber. Image Credit: Creative Commons.
The People’s Republic Has a Huge Air Force
It could come down to a numbers game, too.
The People’s Liberation Army Air Force has around 1,900 fighters, which makes it the third-largest air force in the world. Surely, some of these airplanes would be scrambled to ward off a B-21 Raider attack.
Just how stealthy would the U.S. bomber be? We assume that the Americans will continue to improve low-observability techniques over the next several decades. The B-21 will serve until the 2060s, and maybe it won’t dominate that long. Of course, the B-52 Stratofortress has survived for decades, but that platform is an exception to the rule, and it is, of course, not stealthy at all.
The B-21 is meant for Day One of warfare. It will be the crown jewel of the Air Force’s bomber fleet. If it were to be overcome by events and technological innovation, the U.S. military would have no choice but to continue producing it, even if it became obsolete upon entering active duty.
China is prepared with a multi-layered and effective air defense system. The B-21 would need all its electronic warfare systems to function effectively in order to neutralize surface-to-air missiles. The Chinese could have had prior warning with satellite imagery and data from spy planes. The B-21 may not have the advantage of surprise. China has been conducting extensive simulations against enemy bomber attacks.
“The simulation showcased new technologies, such as stealth aircraft with ‘conformal skin’ that detects heat and electric signals, unmanned wingman drones, and hypersonic missiles with adjustable solid-fuel pulse engines. It also emphasized the potential of AI in air-to-air combat, with decision-making shifting rapidly between pilots, drone,s and missiles,” according to Asia Times.
This means that air dominance by the B-21 is not assured. The biggest issue to counter the Chinese is to make the Raider as stealthy as possible. The Americans are leaders in this field and have repeatedly dominated enemy air defenses. Take the F-35, for example. The Israelis just used their F-35I model during the 12-day war against Iran and lost zero Adirs. The F-35I was able to penetrate Iran’s air defense systems surprisingly. American stealth worked and it is only going to get better. Plus, the recent U.S. B-2 Spirit raid against Iranian nuclear sites was successful with no bombers or support aircraft lost.
The B-21 Raider Will Be OK
The B-21 should be fine despite advances in Chinese capabilities. The Air Force is aware of China’s progress. Engineers and designers at Northrop Grumman realize that the production of B-21s and their stealth coatings could determine who wins a war. I’m confident that the Air Force is capable of countering Chinese technological advancements. They haven’t fought a modern war in the 21st century, and their anti-air systems are untested.
Thus, I’m cautiously optimistic that the B-21 will not be obsolete like an old battleship when it enters active service.
About the Author: Dr. Brent M. Eastwood
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 U.S. 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 U.S. Army Infantry officer. He can be followed on X @BMEastwood.
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Joe Jones
August 7, 2025 at 11:20 am
Is Eastwood an agent for the Chinese Liberation Army? He exhibits a serious ignorance about battleships in World War II & the effectiveness of today’s American military aircraft. I have read very few articles as NEGATIVE as this one.
Anthony McGaha
August 8, 2025 at 12:59 pm
Not just the article but the whole page seems pro China.