Tag: NROL-44
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ULA’s Delta 4-Heavy rocket still grounded by launch pad problem
Three swing arms are designed to pull away from the Delta 4-Heavy rocket at liftoff. Credit: United Launch Alliance United Launch Alliance engineers have resolved the problem that triggered an abort of a planned Delta 4-Heavy rocket launch Sept. 30, but the company said Friday it is continuing to evaluate a concern with the launch…
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Delta 4-Heavy launch aborted at T-minus 7 seconds
Another countdown for United Launch Alliance’s next Delta 4-Heavy rocket mission ended without a liftoff Wednesday after a computer sequencer detected a potential problem just before engine ignition. The rocket was set to blast off from Cape Canaveral with a U.S. government spy satellite at 11:54 p.m. EDT Wednesday (0354 GMT Thursday), but the countdown…
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Mobile gantry wheeled away from Delta 4-Heavy rocket at Cape Canaveral
United Launch Alliance teams rolled the Mobile Service Tower away from a Delta 4-Heavy rocket at Cape Canaveral’s Complex 37B launch pad Wednesday in preparation for liftoff on a national security mission. The 9-million-pound, 330-foot-tall mobile gantry began moving away from the Delta 4-Heavy rocket shortly after 3 p.m. EDT (1900 GMT) Wednesday. The structure…
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ULA targeting Sept. 26 for next Delta 4-Heavy launch attempt
A Delta 4-Heavy rocket is awaiting launch from Cape Canaveral on the NROL-44 mission, carrying a classified satellite for the National Reconnaissance Office. Credit: United Launch Alliance United Launch Alliance said Thursday it is targeting Sept. 26 for the next attempt to send a classified U.S. government spy satellite into orbit aboard a Delta 4-Heavy…
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Photos: Mobile gantry retracted from ULA’s Delta 4-Heavy for Aug. 27 launch attempt
Towering more than 30 stories tall, the mobile gantry structure at the Delta 4-Heavy rocket’s launch pad at Cape Canaveral was wheeled into position for liftoff of the triple-core launcher Thursday with a classified payload for the National Reconnaissance Office. The mobile gantry — which weighs around 9 million pounds — is moving on rail…
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Next Delta 4-Heavy launch on schedule for Aug. 26
United Launch Alliance technicians lower a classified National Reconnaissance Office payload on top of a Delta 4-Heavy rocket July 27. Credit: United Launch Alliance The flight of a United Launch Alliance Delta 4-Heavy rocket set for Aug. 26 from Cape Canaveral continues the Delta rocket family’s countdown to retirement. With five Delta 4-Heavy missions left…
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Spy satellite launch on Delta 4-Heavy rocket delayed to August
File photo of a Delta 4-Heavy launch in June 2012. Credit: United Launch Alliance The next flight of United Launch Alliance’s triple-barrel Delta 4-Heavy rocket has been delayed from June to late August, military officials said Friday. The heavy-lift rocket will carry a classified National Reconnaissance Office payload into orbit, likely targeting a geosynchronous station…