Stratolaunch’s Roc—the world’s biggest airplane by wingspan—was built by Scaled Composites as a one-of-a-kind air-launch platform for aerial vehicles and aerospace research. Roc is expected to begin commercial operations late this year from its base at California’s Mojave Air and Space Port.

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A Roc Rises

Stratolaunch test flies the world’s largest airplane—by many metrics—with a view towards air-to-launch operations.

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