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Raumfahrt - The Pentagon Wants to Send Cargo Rockets Around the World in Minutes—with Elon Musks Help

12.10-2020

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The Pentagon's Transportation Command and Elon Musk's SpaceX are teaming up to examine using rockets to ship cargo through space. The plan raises the prospect of sending urgently needed supplies to U.S. troops anywhere on Earth, within minutes. While the idea is technically feasible, there are several factors, including cost and preparation time, that could make it unworkable.

A rocket ship blasting off from Vandenberg Air Force Base in Southern California could theoretically enter low-Earth orbit and reenter the atmosphere pretty much anywhere on the planet.

Rocket travel would have staggering implications for military transportation. A C-17 Globemaster III heavy transport flying at 500 miles per hour, for example, takes 12 hours to get from California to Okinawa, Japan—an island practically on China’s doorstep. A rocket, however, could make the trip in 30 minutes or less.

Rockets don’t need a chain of aerial refueling tankers supporting a mission, nor do they need permission to fly over foreign countries along a lengthy, winding flight route. Rockets are—for now, anyway—safe and secure, with no country capable of shooting them down along most conceivable routes.

“Think about moving the equivalent of a C-17 payload anywhere on the globe in less than an hour,” Gen. Stephen R. Lyons, the head of Transportation Command, told Air Force magazine. Lyons is likely referring to SpaceX’s Starship rocket. A massive, 160-foot-tall rocket, SpaceX developed Starship to transport people and cargo to the moon, Mars, and possibly beyond. It could also make quick hops across Earth. Starship can carry 100 tons of cargo, while the C-17 aircraft can carry 85 tons.

There are two possible modes of transport being examined. One involves a straightforward flight from a space base in the continental U.S. abroad. The second involves prepositioning supplies in orbit on a spacecraft that could quickly de-orbit and land when necessary. Both could deliver goods in about an hour or less.

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