Tag: Atlas 5-551
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ULA launches 29 Amazon Leo satellites on Atlas 5 rocket from Cape Canaveral
United Launch Alliance’s Atlas 5 551 rocket lifts off from Space Launch Complex 41 at Cape Canaveral Space Force Station on the Leo Atlas 07 mission on May 29, 2026. Image: Adam Bernstein/Spaceflight Now United Launch Alliance overcame adverse weather conditions to launch a batch of Amazon Leo’s broadband internet satellites on its Atlas 5…
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ULA’s Atlas 5 rocket launches its heaviest payload ever with fifth Amazon Leo mission
The United Launch Alliance (ULA) Atlas 5 rocket sits on Space Launch Complex 41 (SLC-41) at Cape Canaveral at sunset. This will be ULA’s fifth launch for the Amazon Leo broadband satellite constellation. United Launch Alliance launched its latest Atlas 5 rocket, which carried a batch of 29 Amazon Leo satellites to low Earth orbit.…
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ULA Atlas 5 launch puts Amazon’s 180th broadband satellite in low Earth orbit
A United Launch Alliance Atlas 5 551 rocket streaks across the sky above Florida’s Space Coast on the Leo Atlas 4 mission, sending 27 more Amazon Leo satellites towards low Earth orbit. Image: Michael Cain / Spaceflight Now Update Dec. 16, 3:52 p.m. EST (0852 UTC): Successful liftoff of the Atlas 5 rocket and subsequent…
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ULA launches ViaSat-3 following valve replacement on Atlas 5 rocket
A United Launch Alliance Atlas 5 551 rocket lifts off from Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station to begin the ViaSat-3 F2 mission for Viasat. Image: Adam Bernstein / Spaceflight Now Update Nov. 13, 11 p.m. EST (0400 UTC): ULA launched its Atlas 5 rocket and completed the first two…
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Issue with Atlas 5 booster liquid oxygen vent valve causes second scrub of ViaSat-3 F2 launch
United Launch Alliance’s Atlas 5 551 rocket sits on the pad at Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station. The launch attempt on Nov. 6, 2025, was scrubbed due to a persistent issue with the booster’s liquid oxygen tank vent valve. Image: Adam Bernstein / Spaceflight Now Update Nov. 7, 10…
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Atlas booster valve issue scrubs launch of ViaSat-3 F2 satellite
The United Launch Alliance (ULA) Atlas 5 rocket sits on Space Launch Complex 41 (SLC-41) at Cape Canaveral at sunset. The Atlas V will launch the ViaSat-3 F2 ultra-high-capacity broadband satellite. Image: United Launch Alliance Update Nov. 5, 11:30 p.m. EST (0430 UTC): ULA scrubbed the mission due to a valve issue. United Launch Alliance…
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ViaSat-3 F2 satellite arrives in Florida ahead of late October launch
The ViaSat-3 F2 satellite in the El Segundo, California, Boeing satellite factory ahead of containerization and shipment. Image: Erik Isakson / Boeing) The ViaSat-3 Flight 2 spacecraft, the next geostationary satellite for communications company Viasat, arrived in Florida in the early morning hours of Tuesday. This six-ton (more than 13,000 lbs) satellite is the second…
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ULA launches third batch of Amazon’s Project Kuiper satellites from Cape Canaveral
United Launch Alliance launches their Atlas 5 rocket on June 25, 2025, with a batch of 27 Project Kuiper satellites for Amazon towards low Earth orbit from Space Launch Complex 41 at Cape Canaveral Space Force Station. Image: Michael Cain / Spaceflight Now Roughly an hour past sunrise, an Atlas 5 551 rocket from United…
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ULA launches Kuiper 2 mission on Atlas 5 rocket from Cape Canaveral
United Launch Alliance launches its Atlas 5 rocket on June 23, 2025 with the second batch of 27 Project Kuiper satellites for Amazon towards low Earth orbit from Space Launch Complex 41 at Cape Canaveral Space Force Station. Image: Michael Cain/Spaceflight Now Update June 23, 7:23 a.m. EDT: ULA launched its Atlas 5 rocket. For…
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Atlas 5 booster engine issue causes scrub of Monday’s Kuiper 2 launch
A United Launch Alliance Atlas 5 551 rocket stands at Space Launch Complex 41 (SLC-41) at Cape Canaveral Space Force Station ahead of the Kuiper Atlas 2 (KA-02) mission launch. Image: Will Robinson-Smith/Spaceflight Now Update June 16, 1 p.m. EDT: ULA scrubbed the mission due to a temperature issue connected to the RD-180 engine on…