This week’s destructive re-entry of the Cygnus cargo craft after a successful mission to the Space Station was heavily studied from within the spacecraft and via an airborne campaign from below.
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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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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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United Launch Alliance narrowed down last week’s in-flight anomaly of the Atlas V rocket launching the Cygnus cargo craft to the first stage’s fuel system as the likely culprit for the significant performance shortfall and early shutdown of the first stage.
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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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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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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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A United Launch Alliance Atlas V rocket lifted off under a nearly full moon Tuesday night, rumbling into the dark skies over Florida’s Space Coast to carry the Cygnus OA-6 resupply craft into orbit for a cargo-delivery mission to the International Space Station.
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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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United Launch Alliance and Orbital ATK are ready to repeat their partnership in resupplying the International Space Station Tuesday night when an Atlas V rocket is scheduled to lift off from Florida’s Space Coast to send the Cygnus OA-6 cargo ship into orbit for a three-day flight to ISS ahead of a two-month stay.
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A United Launch Alliance Atlas V 401 rocket is rolled to its launch pad at Space Launch Complex 41 to enter final preparations for liftoff with the Cygnus OA-6 cargo spacecraft, set to deliver over three metric tons of cargo to the International Space Station.
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The Atlas V 401 launch vehicle set to deliver the Cygnus OA-6 cargo craft to orbit is assembled at Space Launch Complex 41 at Cape Canaveral Air Force Station.
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Preparations for the next Cygnus cargo delivery mission to the International Space Station have begun at the Kennedy Space Center where elements of the mission are being readied for launch.
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