Stratolaunch

Stratolaunch’s ‘Roc’ boasts a longer wingspan than the ‘Spruce Goose,’ but the military is also interested in its Talon-A testbed.

The company said the test craft, part of its Talon-A product line, reached supersonic speeds approaching Mach 5.

The award pays for Talon-A hypersonic flights and optional payloads for the Navy’s Multiservice Advanced Capability Test Bed (MACH-TB).

The agreement between the company behind the aircraft with the world’s largest wingspan and the R&D arm of the Air Force calls for the first flight test of a hypersonic test vehicle.

A successful separation test clears the way for a move toward hypersonic flight.

The company said it is on track to perform its first hypersonic flight this year.

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

The captive carry test flight was the eighth for Stratolaunch’s Roc, testing its inflight launch capability.

Test flight crews for Stratolaunch’s Roc shortened their mission Thursday after a malfunctioning sensor near the airplane’s left elevator on the left fuselage.