Antares set for Sunday Night Launch on long-awaited Return to Flight

The long-awaited Return to Flight mission of Orbital ATK’s Antares rocket with the company’s Cygnus cargo craft has been re-aligned for a Sunday night liftoff after a long path to ready the revamped booster for liftoff following a dramatic launch failure nearly two years ago.

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Cygnus Cargo Craft closes out successful Mission with heavily-studied Re-Entry

Orbital ATK’s Cygnus OA-6 spacecraft met its fiery end on Wednesday when re-entering over the Pacific Ocean to conclude a 91-day resupply mission to the International Space Station including a week-long free flight after undocking dedicated to the first large-scale combustion experiment conducted in space.

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Case Closed: United Launch Alliance finishes Investigation into Atlas V Flight Anomaly

United Launch Alliance announced on Wednesday that the company had closed the investigation into the Atlas V underperformance occurring on the Cygnus OA-6 launch in March and cleared the workhorse launcher to proceed with its upcoming June 24 launch of the MUOS 5 satellite for the U.S. Navy.

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Playing with Fire – Largest Man-Made Fire in Space Ignited aboard orbiting Cygnus Spacecraft

The Cygnus OA-6 spacecraft departed the International Space Station on Tuesday after an 80-day stay, heading into a second mission phase dedicated to an unprecedented in-space fire experiment involving the largest man-made fire ever to be lit in space.

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Mixture Ratio Valve identified as Culprit in Atlas V Launch Anomaly with Cygnus OA-6

United Launch Alliance has isolated the root cause of the performance hit suffered by the Atlas V’s first stage in last month’s Cygnus OA-6 mission that left the Centaur upper stage only with second of fuel margin to send the cargo spacecraft on its way to the International Space Station.

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By the Numbers: How close Atlas V came to Failure in this Week’s Cygnus Launch

Atlas V dodged a bullet earlier this week when launching the Cygnus OA-6 cargo craft on a resupply mission to the International Space Station, coming much closer to a launch failure than initially let on by launch vehicle manufacturer and operator United Launch Alliance.

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Potential Performance Hit suffered by Atlas V ? – A closer Look at the Data

Although widely hailed as a complete success, Tuesday night’s Atlas V launch with the Cygnus OA-6 cargo craft headed to the International Space Station left some questions open on a possible performance hit suffered by the workhorse launch vehicle.

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Photos: Late Night Liftoff of Atlas V with Cygnus Cargo Craft

A United Launch Alliance Atlas V 401 rocket made a nighttime liftoff from Space Launch Complex 41 at Cape Canaveral Air Force Station at 3:05 UTC on Wednesday, successfully lifting into orbit the Cygnus OA-6 cargo craft set for a delivery of food, spare parts and science equipment to the International Space Station.

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