

| Name / Designation | Tsar Bomba / RDS‑220 |
| Type | Nuclear Gravity Bomb |
| Manufacturer | VNIIEF (Soviet Union) |
| Country of Origin | Soviet Union (Russia) |
| Year Introduced | 1961 (tested) |
| Operational Status | Experimental, not operational |
| Weight | Approx. 27,000 kg |
| Length | ~8 meters |
| Diameter | ~2.1 meters |
| Casing Type | Steel alloy casing |
| Yield | ~50 megatons (test configuration) |
| Guidance | None |
| Accuracy (CEP) | Unguided gravity release |
| Delivery Platforms | Modified Tu‑95 bomber |
| Penetration Capability | Not applicable |
| Warhead Type | Thermonuclear |
| Fuzing Options | Airburst |
| Explosive Composition | Not publicly disclosed |
| Primary Mission | Demonstration of nuclear capability |
| Operators | Soviet Union |
| Notable Deployments / History | Single test on Oct 30, 1961, Novaya Zemlya archipelago |
| Variants | None (unique device) |
The Tsar Bomba, officially designated RDS‑220, stands as the most powerful nuclear device ever detonated in human history. Developed during the height of Cold War tensions, this Soviet superweapon became a symbol of extreme nuclear capability and geopolitical signaling. Tested on October 30, 1961, over Novaya Zemlya, the device demonstrated a scale of destructive power unmatched before or since.
Manufactured by the Soviet Union’s All-Russian Scientific Research Institute of Experimental Physics (VNIIEF), the Tsar Bomba was engineered as a thermonuclear gravity bomb primarily intended for strategic deterrence rather than practical battlefield deployment. The purpose was to showcase Soviet scientific strength and convey a clear strategic message to the international community. With a theoretical yield far exceeding its test configuration, the device served as a political tool more than an operational weapon.
The bomb measured roughly 8 meters in length and weighed over 27 metric tons, requiring specially modified aircraft—principally the Tupolev Tu‑95—for delivery. Its unprecedented yield created a shockwave that circled the Earth and produced a mushroom cloud rising over 60 kilometers. Despite its scale, the Tsar Bomba was never introduced into an active arsenal, as its size, limited practicality, and destabilizing effects made it unsuitable for standard military planning.
In modern defense analysis, the Tsar Bomba remains a historical benchmark rather than a functional weapon system. It underscores the extremes of Cold War nuclear development and continues to inform discussions on strategic stability, arms control, and the limits of thermonuclear design.
The Tsar Bomba is a historical, non‑commercial, and decommissioned experimental device. It has no price, as it was never available for procurement or defense export.
No. It was an experimental device tested once and never fielded.
It remains the most powerful nuclear device ever tested, far exceeding modern deployed warheads.
Primarily for political signaling and to demonstrate Soviet thermonuclear capabilities.
Its size and weight made operational deployment highly impractical.
No. It was a one-time test device and no longer exists as a weapon.
Get real time update about this post category directly on your device, subscribe now.
The information provided on TheDefenseWatch.com is for general informational purposes only. While we strive to ensure the accuracy, completeness, and timeliness of our content regarding defense and aerospace products, technologies, and specifications, we cannot guarantee that all information is 100% accurate or up-to-date due to the evolving nature of military technology and classified data.TheDefenseWatch.com does not warrant the reliability, suitability, or availability of the information for any specific purpose. Users are advised to consult official sources, such as manufacturers, government publications, or defense agencies, for precise and verified data before making decisions based on our content.We are not affiliated with any defense manufacturers, governments, or military organizations mentioned. Opinions, reviews, and ratings reflect expert analysis but are subjective and should not be considered endorsements. TheDefenseWatch.com is not responsible for any errors, omissions, or consequences arising from the use of this website’s content.External links are provided for convenience and do not imply endorsement. TheDefenseWatch.com reserves the right to update or modify content without prior notice. By using this website, you agree to our Privacy & Cookies Policy.
This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Accept Read More