Antares Comeback Mission delayed to Monday after Ground Systems Trouble

The launch of Orbital ATK’s long-awaited Antares Return to Flight mission to restore the company’s cargo launch capability to the Space Station was postponed on Sunday due to an uncooperative cable within the rocket’s ground support equipment, requiring replacement ahead of the next launch attempt on Monday at 23:40 UTC.

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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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