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Spaceflight unveils orbital tug made for far-out missions

When a SpaceX Falcon 9 rocket sends a robotic lander to the moon’s south pole, perhaps as early as next year, Seattle-based Spaceflight Inc. plans to make a few extra deliveries with its own own piggyback spacecraft.

The mission, known as GEO Pathfinder, will represent the first in-space outing for a new type of orbital transfer vehicle called the Sherpa Escape, or Sherpa-ES.

“Orbital” might not be exactly the right term, since the craft is designed to go well beyond low Earth orbit to zoom around the moon and back, potentially deploying payloads at every step along the way.

“This mission will demonstrate our complete mission toolbox and ability to execute complex, groundbreaking and exciting missions beyond LEO,” Grant Bonin, senior vice president of business development at Spaceflight, said today in a news release.

By Alan Boyle

Mastermind of Cosmic Log, contributing editor at GeekWire, author of "The Case for Pluto: How a Little Planet Made a Big Difference," president of the Council for the Advancement of Science Writing. Check out "About Alan Boyle" for more fun facts.

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