Delta 4

Live coverage: ULA to launch final Delta 4 Heavy rocket from Cape Canaveral

United Launch Alliance’s Delta 4 Heavy rocket continues fueling ahead of its planned launch on Thursday, March 28, 2024. An issue with a gaseous nitrogen pump forced a scrub of the NROL-70 mission less than four minutes before launch. Image: Adam Bernstein/Spaceflight Now It’s take two for the finale of the Delta family of rockets. …

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Live coverage: ULA, NRO to launch final Delta 4 Heavy rocket

The final Delta 4 Heavy pictured on the eve of its final mission inside the Mobile Service Tower at Cape Canaveral’s pad 37. Photo: Adam Bernstein/Spaceflight Now. United Launch Alliance is preparing to bid a fond farewell to what its CEO calls “the most metal of all rockets.” The last Delta rocket, flying in its …

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Live coverage: Delta 4-Heavy to try again early Thursday

Watch our live coverage of the countdown and launch of a United Launch Alliance Delta 4-Heavy rocket with a classified spy satellite for the National Reconnaissance Office from Space Launch Complex 37B at Cape Canaveral Space Force Station, Florida. Follow us on Twitter. Launch Pad Live After a one-day delay to resolve a valve problem, the …

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Live coverage: Second-to-last Delta rocket set to loft spy satellite on ULA’s first launch of the year

Watch our live coverage of the countdown and launch of a United Launch Alliance Delta 4-Heavy rocket with a classified spy satellite for the National Reconnaissance Office from Space Launch Complex 37B at Cape Canaveral Space Force Station, Florida. Follow us on Twitter. Launch Pad Live The second-to-last flight of United Launch Alliance’s Delta rocket is …

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ULA’s Delta rocket assembly line falls silent

File photo of Delta 4 rocket boosters inside ULA’s factory in Decatur, Alabama. Credit: NASA United Launch Alliance closed its Delta rocket assembly line earlier this year in Alabama, when the 389th and last Delta rocket rolled out of the factory for the journey to its launch base in Florida, clearing real estate in ULA’s …

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Penultimate Delta rocket to launch next month on ULA’s first mission of 2023

ULA’s Delta 4-Heavy rocket lifted vertical on pad 37B at Cape Canaveral ahead of launch on the NROL-68 mission. Credit: United Launch Alliance United Launch Alliance’s second-to-last Delta 4-Heavy rocket is scheduled to blast off from Cape Canaveral April 20 with a classified cargo for the U.S. government’s spy satellite agency, a mission that will …

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Military officials forecast 87 launches from Florida’s Space Coast in 2023

NASA’s Space Launch System moon rocket streaks into the night sky over Kennedy Space Center on Nov. 16. Credit: Michael Cain / Spaceflight Now / Coldlife Photography The U.S. Space Force is preparing for as many as 87 launches from Florida’s Space Coast in 2023, including dozens more SpaceX missions and the expected debuts of …

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SpaceX booster launches for record 15th time on Starlink mission

EDITOR’S NOTE: Watch a replay of our live coverage of the Falcon 9 launch with the Starlink 4-37 mission. SpaceX launched 54 more Starlink internet satellites Saturday from Kennedy Space Center in Florida, using a Falcon 9 booster on its 15th flight to space, a record for the company’s reusable rocket fleet. Liftoff of the 229-foot-tall …

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Delta 4-Heavy rocket deploys spysat on final planned mission from ‘Slick Six’

EDITOR’S NOTE: Updated Sept. 25 with satellite sightings and radio signal detections. ULA’s Delta 4-Heavy rocket climbs away from Space Launch Complex 6 at Vandenberg Space Force Base to begin the NROL-91 mission Saturday. Credit: Brian Sandoval / Spaceflight Now United Launch Alliance sent a triple-core Delta 4-Heavy with a top secret U.S. government spy satellite …

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Photos: Delta 4-Heavy rocket on the launch pad in California

These views show United Launch Alliance’s 233-foot-tall (71-meter) Delta 4-Heavy rocket standing on Space Launch Complex-6 at Vandenberg Space Force Base in California on the eve of liftoff with a classified spy satellite for the National Reconnaissance Office. This will be the final Delta launch from the West Coast. In these photos, the Delta 4-Heavy …

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