The World's Largest Airplane Takes Flight: This is the Stratolaunch Roc

author

Edgar Loper

Updated: 26 May 2026 ·

The World's Largest Airplane Takes Flight: This is the Stratolaunch Roc

Stratolaunch Roc, the largest airplane
Stratolaunch Roc, the largest airplane photo by viajar.elperiodico.com
Side view of the Stratolaunch Roc
Side view of the Stratolaunch Roc photo by viajar.elperiodico.com
Takeoff of the Stratolaunch Roc
Takeoff of the Stratolaunch Roc photo by viajar.elperiodico.com
Rear view of the Stratolaunch Roc
Rear view of the Stratolaunch Roc photo by viajar.elperiodico.com
Tail of the Stratolaunch Roc
Tail of the Stratolaunch Roc photo by viajar.elperiodico.com

Stratolaunch, a company dedicated to the design and manufacturing of aerospace vehicles and technologies, has launched the largest airplane in the world, named Roc. This massive twin-fuselage aircraft, which has already completed several test flights, boasts a wingspan of 384 feet and will be capable of transporting other airplanes.

The purpose of the Roc is not to transport passengers; rather, it is designed as a mobile launch platform, meaning it will carry hypersonic airplanes, which achieve speeds exceeding 3,100 miles per hour, so they can take off from the air. This allows bypassing issues associated with ground-based runways, such as inclement weather incidents or schedule conflicts at airports.

The airplane stands over 49 feet tall from the ground to the top of its tail, features a hangar of 103,000 square feet, and has the largest wingspan of any aircraft ever created-larger than a football field. Additionally, to support the weight of the vehicle, it has 28 wheels that evenly distribute the load.

The enormous size of this aircraft is powered by six Boeing 747 engines that allow for a maximum capacity of 1,000,000 pounds. Its central wing, reinforced with carbon fiber, can support multiple launch vehicles weighing over 500,000 pounds.

The Roc has already conducted several test flights, where it reached an altitude of 46,600 feet and a speed of 200 miles per hour. Once the airplane is fully operational, it will be able to fly at an altitude of 35,000 feet, the height at which commercial jets operate, and from where the spacecraft it carries will take off.