Aerojet Rocketdyne conducted a series of hot-fire tests on the preburner design for the AR1, keeping the program on schedule to be flight-ready by 2019, the company said. Credit: Aerojet Rocketdyne
ULA Vulcan
Blue Origin founder Jeff Bezos speaks in front of his company's New Shepard suborbital vehicle on display at the 33rd Space Symposium in Colorado Springs April 5. Bezos said the company still plans to start flying people on suborbital space tourism flights by the end of 2018, although the company has yet to start selling tickets or even setting a ticket price. Development of New Shepard, he said, is informing the company's plans for an orbital launch vehicle, New Glenn, that will use the same BE-4 engines that United Launch Alliance is considering for its Vulcan rocket. Credit: Chuck Bigger for SpaceNews
Athena 2S graphic at Kodiak
Expanded diagram Vulcan six boosters
Lt. Gen. Samuel Greaves, Air Force program executive officer for Space and SMC commander, and Tory Bruno, ULA president and CEO, sign a Cooperative Research and Development Agreement or CRADA for the certification of ULA’s Vulcan Launch System at a ceremony, Sept. 27. Credit: ULA
ULA Vulcan
ULA Vulcan
After separating from the lower stage, Vulcan's engines are enveloped in a Hypersonic Inflatable Aerodynamic Decelerator (HIAD), which NASA developed for atmospheric reentry. Credit: ULA video
Chris Chadwick (left) is president and chief executive officer of Boeing Defense, Space &; Security  and a member of Boeing's executive council. Craig R. Cooning (right) is president of Boeing Network and Space Systems. Credit: Boeing
AR-1 twin configuration
Stratolaunch Carrier
Final assembly of payload fairings at Ruag Space in Emmen, Switzerland. Credit: Ruag Space
Tory Bruno, the president and chief executive of United Launch Alliance, tweeted this infographic  July 29  depicting the Vulcan rocket's Atlas heritage. Credit: ULA.
ULA CEO Tory Bruno unveils the company's proposed Vulcan rocket during an April 13 press conference at the Space Symposium in Colorado Springs. Credit: Tom Kimmell for Space Foundation.
ULA CEO Tory Bruno

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