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Russia’s PAK DA Stealth Bomber: Just Another ‘Paper’ Plane?

Image: Creative Commons/Artist Concept Image.

The Russian government recently announced that construction has begun on prototypes for their forthcoming stealth bomber, being developed under the name PAK DA. That means the field of low-observable bombers is promising to be more crowded than ever by the close of the 2020s, with the United States, Russia, and China all planning to field new platforms within the next nine or so years.

Earlier this week, the guys over at The Warzone broke that the U.S. is in the final stages of assembly on no fewer than five B-21 Raiders, placing America squarely in the lead in the race to field the first new stealth bomber since 1989. Today, the United States is the only nation on the planet with a stealth bomber in service, as well as two different stealth fighters, in the F-22 Raptor and F-35 Lightning II.

But America’s lead in stealth aviation is beginning to erode, thanks in no small part to two decades worth of wars fought against opponents with limited or no air defense capabilities. While the F-35 has continued to mature during this time, it was the only stealth platform to enter service for the U.S. during the era of the Global War on Terror. Today, America’s stealth jet designs are all over a decade old, with the stealth bomber B-2 Spirit the oldest by a significant margin.

During America’s anti-terror efforts, its nation-level opponents in Russia and China have worked feverishly to offset America’s technological edge, fielding their first stealth fighters for test flights 2010 and 2011 respectively. Today, both nations have stealth bomber programs in development, and according to governmental claims, the Russian PAK DA program is a bit further along than China’s H-20, with Russia’s bomber slated to enter service in 2027, and China’s before the end of the decade.

The PAK DA is intended to serve as a long-range, low observable strategic bomber for the Russian Air Force, but within the broad definitions of these terms lies a vast spectrum of actual combat capability that won’t fully manifest until the aircraft enters service. In other words, analysis of the PAK DA is limited by the fact that this bomber doesn’t really exist yet, and as such, it may be subject to both intentional propaganda and unintentional misconception in open-source outlets.

According to TASS, a media outlet owned by the Russian government, the new bomber will utilize a flying wing design much like America’s B-2 Spirit and forthcoming B-21 Raider. It will be a subsonic platform with heavy payload capabilities that will include cruise missiles, precision bombs, and hypersonic weapons.

To date, Russia has completed construction on a full-size wooden mock-up of the aircraft, as well as full and scale models of potential cockpit layouts. A number of smaller composite models have also been built for wind tunnel testing. Last month, Russia announced work on their first prototype aircraft with plans to begin test flights in 2023, making their 2027 in-service goal possible, if still unlikely.

Russia is on the extremely exclusive list of nations to develop a stealth aircraft program domestically and put it into service, sharing that distinction with only the United States and China. However, not all stealth competitors are created equal. Russia’s stealth technology is widely considered to be lagging behind its American and even Chinese competition. The nation’s only operational stealth fighter, the Sukhoi Su-57, is likely the least stealthy 5th generation fighter in service today, and the outlook isn’t much better for the PAK DA.

Stealth, of course, isn’t a single technology, but rather a whole slew of overlapping technologies, production methodologies, and combat tactics all combining to limit or prevent the detection of an aircraft flying through contested airspace. In the 21st century, stealth aircraft must take pains to limit their radar return, mask the immense heat produced by their engines (susceptible to infrared detection and targeting), and include some degree of electronic warfare or jamming capabilities.

The PAK DA leverages a flying wing design, similar to Northrop’s B-2 Spirit and forthcoming B-21 Raider, for good reason. With few protruding wings or fins and no hard angles to reflect radar back at the transmitting array, the B-2 is likely one of the stealthiest aircraft in the sky today, capable of defeating even low-frequency radars stealth fighters often cannot. By following on this path, the PAK DA has a solid start.

However, Russia’s stealth is limited by its ability to mass-produce aircraft with the extremely tight production tolerances required of a stealth fighter or bomber. Seams between body panels can create a radar return just like an open weapons bay door can (which is how an American F-117 was shot down by a 1950s era surface-to-air missile).

Russia isn’t unaware of its shortcomings in the stealth department, and as such, the nation’s air warfare doctrine doesn’t mirror America’s reliance on defeating or delaying detection. While the U.S. prioritizes stealth first (or at least close to first) in the development of these platforms, Russian engineers view stealth as just one of a number of important elements, and arguably not one worth prioritizing at the expense of more conventional goals regarding speed or maneuverability.

In fact, statements already made in Russian state media suggest that the PAK DA may not be that stealthy at all, explaining the aircraft will use long-range munitions to carry out its mission without ever leaving the protective bubble of Russian air defense systems.

“Today, Russia’s air force has received the powerful X-555 and X-101 long-range missiles that can fly 5,000 km (3,106 miles), which is why there is no more need for long-distance bombers,” Vadim Kozulin, a professor at the Academy of Military Science in Moscow, told Kremlin-owned Russia Beyond.

“Now the strategic bomber can carry out its mission basically without leaving Russian borders and remaining under the protection of air defense systems.”

Reports of the anticipated payload capabilities of the PAK DA vary significantly from source to source, which may speak to a lack of internal communications within the Russian Ministry of Defense or a shift in design sometime between 2016 and today. Early reports claimed a 30-ton internal payload capacity (60,000 pounds), while more recent ones claim an even more impressive 40 tons (80,000 pounds).

To put that payload into comparison with its competition, the forthcoming American stealth bomber, the B-21 Raider, is expected to carry just 30,000 pounds, while the in-service B-2 Spirit can carry 40,000. America’s non-stealth bombers, the supersonic B-1B Lancer and long-serving B-52 Stratofortress, can carry 75,000 pounds and 70,000 pounds respectively. In other words, this new Russian stealth bomber is expected to be big. This comparatively large payload capacity may be why Russian officials have claimed their new bomber will “exceed” the capabilities of the B-21.

Per Russian reports, the PAK DA will be capable of carrying a wide variety of conventional and nuclear ordnance. It’s also expected to network with airborne drones in some way, though details about that effort remain scarce. Although the stealth of this bomber may be questionable, it remains likely that all of these munitions will be carried internally. Among the array of weapons available will be the latest hypersonic missiles Russia has in development. The first will undoubtedly be the Kinzhal.

“Currently, the experimental model is being built. The demonstration model will be ready by 2023,” a source in the Russian aircraft industry told Russia’s state-owned Tass.

“The subsonic PAK DA will be armed with hypersonic weapons. Besides, its flight will be aided by drones.”

The Kh-47M2 Kinzhal is an air-launched hypersonic ballistic missile with a claimed range of over 2,000 kilometers (about 1,243 miles) and a claimed top speed in excess of Mach 10 (or about 7,672 miles per hour). The missile can carry either conventional or nuclear warheads, with a maximum nuclear yield of about 500 kilotons, which is more than 30 times as powerful as the atomic bomb dropped on Hiroshima at the end of World War II.

Because of the missile’s blistering speed and ability to maneuver in flight, the Russian military claim that it’s capable of defeating any U.S. air defense system in service. Notably, American Defense officials similarly warn that today’s air defense systems cannot intercept hypersonic weapons, lending credence to the supposed threat this missile poses to American targets.

Last month, Russia announced the development of another air-launched weapon likely to find its way into the payload bay of the PAK DA, the Kh-95 long-range hypersonic missile.

Stealth bombers like the B-21 Raider and Russia’s PAK DA offer a different kind of capability than stealth fighters, flying completely different mission sets than you’ll find even among air-to-ground focused fighters like the F-35. The B-21 Raider, for instance, is expected to have global strike capabilities, the most advanced stealth technologies ever fielded, and a payload many multiples of that carried internally by fighters maintaining their stealth profile. Because of their specialized role, long-range bombers like these are often referred to as “strategic” bombers.

Strategic bombers are tasked with flying deep into enemy territory where their targets are (you guessed it) strategic in nature. While an interdiction or fighter-bomber might engage enemy targets on the battlefield, a strategic bomber flies medium to long-range missions to engage enemy infrastructure, hardened facilities, and military installations. Strategic bombers compromise a nation’s ability to fight a war at the fundamental level.

With that in mind, one might think the PAK DA poses the most potent threat to America of any Russian defense program short of their nuclear ICBMs, but it’s a bit more complicated than that. Just how stealthy this bomber is remains to be seen, and in fact, the bomber may never even come to fruition at all.

Russia’s stagnating economy is hindered considerably by sanctions placed on the nation by the international community for aggressive acts around the world like the military annexation of Crimea in 2014 and the attempted assassination of a former Russian intelligence officer on UK soil in 2018. As a result, the nation is forced to pick and choose where to invest its military spending–often leaning toward publicity-garnering “doomsday weapons” that create a perception of Russian military might, despite being unable to repair or field their lone aircraft carrier or to push other advanced programs off the chalkboard and onto the assembly line in any meaningful numbers.

Russia’s troubled history with stealth platforms and poor funding both suggest that Russia’s claims that their forthcoming PAK-DA will roll into production by 2027 are pretty questionable. When you consider Russia has also announced another stealth fighter in the Checkmate and has still yet to establish funding for their standing order of Su-57s, it starts to look like Russia is doing little more than collecting plans for aircraft they hope to build someday.

Further complicating matters for the PAK DA effort are new production Tu-160 Blackjacks, which are long-range supersonic bombers capable of carrying a whopping 88,000 pounds of weaponry while traveling at speeds in excess of Mach 2. If the PAK DA proves not to be all that stealthy, it seems unlikely that Russia would divert funding away from the TU-160 effort to produce their flying wing in any significant numbers.

For now, despite a full-sized wooden mock-up and talks of a prototype under construction, Russia’s PAK DA exists as little more than another Russian paper plane. Whether or not it someday becomes more remains to be seen.

Alex Hollings is a writer, dad, and Marine veteran who specializes in foreign policy and defense technology analysis. He holds a master’s degree in Communications from Southern New Hampshire University, as well as a bachelor’s degree in Corporate and Organizational Communications from Framingham State University. This first appeared in Sandboxx News. 

Written By

Sandboxx News is a digital and print military media outlet focused on the lives, experiences, and challenges facing today’s service members and America’s defense apparatus. Built on the simple premise that service members and their supporters need a reliable news outlet free of partisan politics and sensationalism, Sandboxx News delivers stories from around the world and insights into the U.S. Military’s past, present, and future– delivered through the lens of real veterans, service members, military spouses, and professional journalists.



  1. patrico

    October 31, 2021 at 6:09 pm

    Warning No style shape Delta ! Bomber stealthy Tr.Ha.ALt ! And retour hyper speed surface! Obligé!

  2. Legionnaire

    October 31, 2021 at 10:23 pm

    This article is such shameless propaganda. The PAK DA is a very advanced long term program, like almost all of the new Russian designs in all fields recently. Modern military equipment takes decades to fully adopt. All new Russian equipment from planes, to ships, to ground vehicles are extremely modern and are on time tables that are perfectly normal for new modern equipment, despite what all of these retarded articles claim. A non-NATO country could cure cancer and these articles would find some way to paint it in a negative light. The double standards in these articles is astounding. You people describe the Russians doing something that is no different than the US, but you’ll write with a tone to make it seem inferior. It’s childish. The Russians have a higher proportion of newer equipment across the entire armed forces than the US, and they have more new designs that are planned to replace aging equipment than the US does. The only has the advantage of numbers. Also, Russian stealth is not worse. Individual aircraft such as the Su-57 are less stealthy as a design choice. When a aircraft is made stealthy, it sacrifices in other areas. This generally applies to all military vehicles. All major countries know how to do roughly everything that all others do, they just have different doctrines. Different aspects are more valuable to different military doctrines.

  3. Anti-Legionnaire

    November 1, 2021 at 5:58 pm

    Congrats on supporting the potential air dominance of communist Russia, Legionnaire. Hope you don’t mind never being able to comment on any website again like you are now, where everything you say and do will be tightly controlled. Superior or not superior, advocating for a country like Russia that aims to destroy individual freedom even more so than a country like the US is short-sighted. Communism will take over if they gain ultimate military might, and that will be the downfall of freedom that so many people take for granted.

  4. zina

    November 2, 2021 at 8:05 am

    The United States has zero ability in the war with Russia, and they know that well, but the Lie is necessary as a defense trench, and Russia knows that, just as the United States knows that Russia is militarily superior.

  5. T

    November 2, 2021 at 6:38 pm

    You Russian fuckbois need to get a goddamn life. Your soldiers make an average 945 US dollars a month. What a joke. Poor people on disability and social security here make more than twice that..But by all means tell us how you’re SO much better than us. Put up or shut up. Stop talking and start shooting or get out of the way.

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