Delta IV Heavy Launch Scrubbed With Seconds To Spare, Again

ULA
The Delta IV Heavy carrying the NROL-44 mission on Sept. 30, before the latest scrubbed launch.
Credit: United Launch Alliance
CAPE CANAVERAL—For the second time, launch of the latest United Launch Alliance (ULA) Delta IV Heavy rocket was halted seconds before liftoff, extending a month-long series of delays in sending a classified payload for the U.S. National Reconnaissance Office into orbit. The 235-ft. tall, triple-core...
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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