B-21 Raider, The U.S. Air Force’s Newest Bomber. What do we know so far?

Artist's Rendering B-21
Developed with the next generation of stealth technology and an open systems architecture, the B-21 Raider will serve as the backbone of America’s bomber fleet. (Photo Credit: Northrop Grumman)

The first test flight of the Air Force’s newest bomber, the B-21 Raider, took place on Friday November 10, 2023, and was witnessed by a group of amatuer photographers, according to a story carried by Reuters News Service.

The flight is reported to have taken place at Northrop’s facility, Air Force’s Plant 42 in Palmdale, California, at sunrise. The flight was unannounced, and conducted under a cloak of secrecy. 

In December 2022, the United States Air Force and Northrop Grumman unveiled their newest stealth bomber. the B-21 Raider. Named after the famous Doolittle Raiders, This bomber will be the successor to the current Lancer B-1 and the B-2 Spirit and aims to become a new and improved stealth aircraft capable of long-range, high survivability, and mission payload flexibility.

B21 Rollout Livestream

The new B-21 Raider bears a family resemblance to the B-2 Spirit, but the two bombers will differ substantially in size, and likely their number of engines and payload. Critically, the B-21 will also be far more advanced in terms of low-observable technology—at least two generations beyond its elder stablemate.

General Characteristics


Primary Function: Nuclear-capable, penetrating strike stealth bomber
Lead Command: Air Force Global Strike Command
Inventory: Minimum of 100 aircraft
Average Unit Procurement Cost (APUC): $550 million (base year 2010 dollars) / $639 million (base year 2019 dollars) / $692 million (base year 2022 dollars)
*APUC is the total costs of all procurement funding to include, aircraft flyaway costs, support equipment, training, spares, and engineering change orders divided by a minimum of 100 aircraft.
*Former Secretary of Defense Robert Gates directed B-21 Average Procurement Unit Cost as a key performance parameter as the best means to control costs.
Munitions: Nuclear and conventional
Operational: Mid-2020s

The B-21 Raider will penetrate the toughest defenses for precision strikes anywhere in the world. As this bomber is being kept a well-hidden secret in terms of its capabilities, this article will aim to show what we do know about the Air Force’s newest bomber.

The B-21 is set to become the newest 6th-generation bomber. The history of stealth technology goes way back to the 1980s with the development of the F-117 Nighthawk. A revolutionary aircraft that set foot into the future of modern aviation and aerial combat. In just a few short years, the development high-performance aircraft called 5th generation fighters were developed and bombers followed suit. With the development of the F-22 Raptor, bombers have started their transition to stealth technology beginning with the B-2 Spirit. The Spirit’s success paved the way for the development of the newest generation of bombers, the 6th Generation. This is where the B-21 Raider’s story begins.

Development of the B-21 Raider program began back in 2011 with the Long Range Strike Bomber Program (LRS-B). The competitors for this contract were Boeing, Lockheed Martin, and Northrop Grumman. Companies with phenomenal reputations and contractors that create some of the all-time greatest airplanes in existence. The contract was tough but the ultimate winner was Northrop Grumman, the company who designed the B-2 Spirit.

Development of the plane began in 2015 and with it, updated purpose. Not only this plane was going to be a bomber but was also strategically designed to be a central command for combat. This new purpose would give the United States an edge on any battlefield they will be encountering. The large long-range bomber will be able to deliver a devastating blow to any enemy it will face.

Creating this new and advanced aircraft, many of its features are still classified and will remain in that state. However, everybody is eager to take a glimpse of this new plane’s true potential. So what do we know so far about this airplane?:

  1. 6th Generation. Up till this point, the most advanced generation of military jets was 5th generation. Planes such as the F-22 Raptor and the F-35 Lightning 2 are considered the most technologically advanced planes in the world. The B-21 Raider will be the stepping stone to the newest generation of aircraft. It will bring more advanced avionics, and greater stealth features, and design the aircraft in a way that can change the battlefield again. As we are venturing into this new era of airplanes, we do not have concrete evidence of what 6th generation is capable of, however, we do know that these new airplanes will have features such as Artificial intelligence, Digital High-Capacity networking, Advanced Cyber Warfare, Powerful engines, and Long-range precision airstrikes.
  2. Central Command. This airplane is mainly designed to be a bomber, capable of delivering high-explosive bombs to the enemy. It will be nuclear-capable if need be but its purpose is going to span more than just a regular bomber. The B-21 will be a central-command airplane. Similar to an Aircraft Carrier, it will be a bomber that will hold information on the battlefield and be capable of using it to direct soldiers. This will play a vital role in combat as the aircraft can be deployed and used as a strategic command vehicle and have eyes on the battlefield, providing valuable intel to soldiers on the ground.
  3. Digital Warfare. For the first time in aviation, there will be an implementation of advanced Artificial Intelligence (AI) in airplanes. This is breaking because warfare is starting to adapt to this new generation of advanced computers and technology that has never been seen before and has only recently been popularized in the world. This aircraft will be bringing the most advanced technological breakthroughs and will be using the power of AI to help pilots make decisions and help with the airplane. There are concerns about the use of AI on airplanes but further development will be made to ease these concerns. Furthermore, the airplane is set to be fully digitalized. This advancement will bring in new systems and next-generation platforms never seen before on airplanes.
  4. Efficient Manufacturing. One important aspect of creating airplanes, or any vehicle for that matter, is the quality and quantity of the parts and elements for the aircraft. The Raider is set to be one of the most advanced airplanes on the planet that is easy to train and work on. This goal aims to create an airplane that is easy to operate for both mechanics and pilots. It will be focused on creating a more efficient way to maintain the aircraft and easier to train new pilots and new technicians. This is an important element because this means that it will be an opportunity to make advanced technology easier to repair and operate instead of using a lot of time and money to train new personnel and focus on traditional ways of aircraft.

The B-21 Raider is set to be the most advanced efficient and pioneering 6th generation airplane that we will see in the coming decades. Technology like this is still highly classified and we get to have a small peak of what aviation is capable of. There is still much information that we do not know or see but what we do know is that this is going to be the future of warfare. With fighter planes making a similar transition later in the decade, who knows what the future of aviation holds? Thanks to rapid technological advancements such as AI, humanity has entered a stage of having a science-fiction future. These advancements are being kept top-secret from the public and with the little information we do have, one can speculate what future we might be in following the decades.

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