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Northrop Grumman and the United States Air Force are accelerating production of the B-21 Raider, as the next-generation stealth bomber continues to outperform expectations in testing and moves closer to operational service later this decade.
The ramp-up in production follows strong performance during ground and flight testing, with multiple aircraft now undergoing evaluation. Final assembly of the bomber is underway at Northrop Grumman’s manufacturing facility in Palmdale, California, alongside a nationwide network of suppliers and production sites.
Northrop Grumman chair, chief executive and president Kathy Warden said the company was ready to scale up production of what is widely regarded as the most advanced bomber ever developed.
“The strong performance of the B-21 program has our Northrop Grumman and Air Force team ready to accelerate production of this game-changing capability,” Warden said.
The first operational B-21 aircraft is expected to enter service at Ellsworth Air Force Base in 2027, marking a major milestone in modernising US long-range strike capability.
A key factor in accelerating production has been Northrop Grumman’s heavy investment in digital engineering and advanced manufacturing. The company has spent more than US$5 billion (AU$7.01 billion) developing digital design tools, automated production systems, and manufacturing infrastructure to streamline construction and improve efficiency.
These digital engineering tools allow engineers and technicians to identify and resolve issues virtually before physical assembly begins, significantly reducing production risk and shortening build timelines.
The program’s digital environment also supports faster and more efficient flight testing, enabling maintainers to prepare aircraft for repeat test flights within days, a critical indicator of future operational readiness and sustainment efficiency.
Tom Jones, president of Northrop Grumman aeronautics systems, said the program was demonstrating exceptional performance across testing and manufacturing.
“We have delivered continued outstanding performance on B-21 in ground and flight test, in partnership with the Air Force,” Jones said.
The B-21 Raider represents a generational leap in long-range strike capability. Designed as a sixth-generation stealth bomber, the aircraft incorporates advanced low-observable technologies that allow it to penetrate heavily defended airspace and conduct missions undetected.
The aircraft is capable of delivering both conventional and nuclear payloads and is designed with an open architecture, allowing future upgrades to sensors, software and weapons without major structural modification.
This approach ensures the aircraft can remain operationally relevant for decades, adapting to evolving threats and technological developments.
More than 8,000 personnel across government and industry are currently supporting the B-21 program, with over 400 suppliers contributing to its development and production.
While the B-21 is being developed for the United States Air Force, the aircraft will play a critical role in strengthening allied deterrence and long-range strike capability across the Indo-Pacific.
The bomber is expected to operate as part of an integrated “family of systems”, working alongside other aircraft, satellites, sensors and autonomous platforms to deliver precision strike and intelligence capabilities in contested environments.
For Australia, the B-21’s introduction represents a significant enhancement to allied long-range strike capacity in the region, complementing initiatives such as AUKUS and broader efforts to strengthen deterrence against potential adversaries.
As production accelerates and testing continues to exceed expectations, the B-21 Raider is rapidly emerging as a cornerstone of future allied air power, delivering advanced capability, enhanced survivability, and greater operational flexibility in an increasingly contested global security environment.
Stephen Kuper
Steve has an extensive career across government, defence industry and advocacy, having previously worked for cabinet ministers at both Federal and State levels.
