SpaceShipTwo Reaches Mesosphere In 3rd Powered Flight

Credit: Virgin Galactic
SAN FRANCISCO—A pair of Virgin Galactic pilots fired up the hybrid rocket engine on Unity, the leader of a planned fleet of air-launched SpaceShipTwo (SS2) suborbital vehicles, for a third powered flight test on July 26, reaching a speed of Mach 2.47 over California’s Mojave desert. The spaceship’s...
Irene Klotz

Irene Klotz is Senior Space Editor for Aviation Week, based in Cape Canaveral. Before joining Aviation Week in 2017, Irene spent 25 years as a wire service reporter covering human and robotic spaceflight, commercial space, astronomy, science and technology for Reuters and United Press International.

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