Finally, the biggest airplane in the world has some rockets to launch

Enlarge / Meet the Stratolaunch fleet. (credit: Stratolaunch)

For the last year or so, Stratolaunch has conducted a number of ground-based tests on the world's largest aircraft, both inside its gargantuan hangar and on a runway in Mojave, California. If all goes well, the company plans for the aircraft with a 117-meter wingspan to make its maiden flight by the end of this year.

But the aircraft is only a means to an end-sustainably launching rockets into space. Although Stratolaunch appears to have built a fine airplane, questions have lingered for years regarding exactly which rockets will be flown to a cruising altitude to then be released by the airplane. And when you've built an aircraft the likes of which has never been seen before, such curiosity is understandable.

On Monday, the company finally provided some additional clarity. Previously, Stratolaunch announced an agreement to launch small Pegasus rockets from the aircraft, but these boosters can only deliver up to 370kg into low-Earth orbit. (And they are so small, their use could not possibly justify the scale of the Stratolaunch plane, with a wingspan 20 meters greater than even the Spruce Goose).

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