NASA Regroups After Hydrogen Leak Derails Second SLS Launch Try

SLS
A second SLS launch try on Sept. 3 was scrubbed.
Credit: Kim Shiflett/NASA
The first launch of any new rocket is nerve-wracking, as SpaceX, Rocket Lab, Virgin Orbit, Blue Origin and Firefly can attest to. But none more so than the Space Launch System (SLS), a NASA-owned and operated, human-rated, superheavy-lift launcher with an initial capability to put more than 26 tons...
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.

Mark Carreau

Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America's space program through news reporting.

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