Boeing’s Phantom Express Vanishes into Thin Air

DARPA’s Experimental Spaceplane (XS-1) program seeks to build and fly the first of an entirely new class of hypersonic aircraft that would break the cycle of escalating launch costs and make possible a host of critical national security options. As the next step toward a future of routine, responsive, and low-cost space access, DARPA has awarded Phases 2 and 3 of the program to The Boeing Company. (Credit: Boeing)

by Douglas Messier
Managing Editor

A couple of years ago, a friend made the surprising predication that DARPA’s Experimental Spaceplane Program (XSP) — a R&D effort designed to produce a rocket capable of being launched 10 times in 10 days — would never see any hardware built.

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NASA Spacecraft to use ‘Green’ Fuel for the First Time

A Ball Aerospace engineer adjusts the thermal insulation on NASA’s Green Propellant Infusion Mission spacecraft bus following integration of the propulsion system. (Credit: Ball Aerospace)

BOULDER, Colo. (NASA PR) — A non-toxic, rosé-colored liquid could fuel the future in space and propel missions to the Moon or other worlds. NASA will test the fuel and compatible propulsion system in space for the first time with the Green Propellant Infusion Mission (GPIM), set to launch this month on a SpaceX Falcon Heavy rocket.

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ULA Leaning Toward BE-4 Engine for Vulcan as Crucial Engine Tests Loom

BE-4 staged combustion testing (Credit: Blue Origin)

In what is likely a surprise to no one, United Launch Alliance’s CEO said this week the company is leaning toward selecting Blue Origin’s BE-4 engine in the first stage of its new Vulcan rocket — providing upcoming engine tests go well.

That would leave rival Aerojet Rocketdyne and its AR1 engine without a booster to fly on.

In an interview during the 33rd Space Symposium here, Tory Bruno said that tests of the BE-4 engine, scheduled to begin “very soon” at Blue Origin’s test site in West Texas, are the last major hurdle the engine must clear before ULA decides to use it on Vulcan.
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