Modified SLS Tanking Test Halted 20 Sec. Before Planned Cutoff

Space Launch System
Credit: NASA/Joel Kowsky
CAPE CANAVERAL—NASA successfully fueled its Space Launch System (SLS) rocket for the first time at the launchpad on June 20, but a hydrogen leak stymied plans for full countdown dress rehearsal. A software workaround allowed the launch team to resume the countdown in an attempt to get to 9 sec...
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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