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On a bittersweet day in in the annals of spaceflight, the United Launch Alliance (ULA) said goodbye to one of its most powerful and storied rockets. With an ontime launch at 12:53 PM EDT on April 9, the Delta IV Heavy rocket soared into the skies for its final mission, carrying a classified payload for the National Reconnaissance Office (NRO), designated NROL-70.
Tuesday was an active day for launch scheduling: United Launch Alliance has announced that they will make their next attempt to launch Delta IV Heavy and NROL-70 on Tuesday April 9th, and later, NASA announced that the Crewed Flight Test of Boeing’s Starliner is now Monday, May 6th.
3/28/24 9:18 PM UPDATE: ULA WILL NOT LAUNCH DELTA IV HEAVY ON FRIDAY – NEW DATE TBD
UPDATE: ULA earlier reported that they had repaired a system that caused the company to scrub today’s launch. Upon further testing, ULA determined further repairs are needed. No launch date has yet been announced, but Monday is the next opportunity.
What started out as a dicey proposition about whether the final Delta IV Heavy launch would make it off the pad on Thursday ended with a disappointing scrub. But not for the reason most thought it would be.
After 64 years and 389 successful launches, United Launch Alliance’s (ULA) Delta rocket family is set to retire with the launch of the last Delta IV Heavy later this week.
By Mark Stone
United Launch Alliance, a private spaceflight contractor, successfully sent a classified government satellite into orbit on Thursday, June 22, 2023. The launch came one day after a delay due to a faulty piece of ground equipment. The mission to deploy the satellite for the National Reconnaissance Office finally lifted off from Cape Canaveral Space Force Station (CCSFS) Launch Complex 37 at 5:18 AM EDT.
The mission, NROL-68, carries a crucial national security satellite that will provide vital information from space to America’s government officials, intelligence analysts, and military. The US government says the satellite will also be used to support worldwide humanitarian missions. Even though the exact type and capabilities of the satellite are unknown, some observers believe the launch configuration of the Delta IV rocket suggests an Orion class satellite. Orion spy satellites are the newest class of signal-gathering intelligence satellites and are among the largest in orbit. The main antenna of an Orion-class satellite spans the length of a football field.
