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Commercial Resupply

    Dragon’s Cargo

    The Dragon spacecraft that is being launched into orbit today carries about 5,000 pounds of equipment including science experiments, a spacewalking suit, called an EMU for extravehicular maneuvering unit, plus other spacesuit hardware. There is also a set of robotic legs that will be connected to Robonaut2. The R2 torso is already on the International …

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    Meet the Octaweb

    This is the first NASA mission by SpaceX that includes an upgraded version of the Falcon 9. Outwardly, the biggest change is an arrangement of eight engines in a circle around the center engine. Previously, the nine engines were built in three rows of three. SpaceX says the octaweb reduces the length and weight of …

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    One Hour Until Launch

    At T-60 minutes, all remains on track for the SpaceX-3 mission to lift off on time at 3:25 p.m. EDT. The spacecraft carries no people, but is loaded with about 5,000 pounds of supplies, experiments and equipment for the International Space Station and its crew of astronauts. Six people live on the space station now …

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    Falcon 9 Rocket Fueled for Launch

    The SpaceX Falcon 9 rocket stands on the launch pad

    The Falcon 9 rocket has been loaded with the kerosene fuel and liquid oxygen that will power the nine first stage engines and one second stage engine during launch and the flight into orbit. The first stage engines will generate about 900,000 pounds of thrust at liftoff. The launch window is instantaneous, meaning the liftoff …

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    Good Afternoon and Welcome to the NASA Launch Blog!

    Cape Canaveral as seen from the International Space Station.

    We’re an hour and 10 minutes from the scheduled launch of the third operational SpaceX cargo resupply mission to the International Space Station. The skies over our Florida launch site have been clearing in the last hour or so and the weather is not violating any of the launch criteria right now. Liftoff remains on …

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    Weather Improving

    The Launch Weather Officer reports that conditions around Cape Canaveral improving this afternoon. The weather remains unstable, but all constraints have been cleared and the weather is expected to remain “go” through launch time. Officially, the forecast remains at a 40 percent chance of acceptable conditions for the 3:25 p.m. EDT launch time. NASA TV …

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    Launch Day Dawns in Florida

    Good morning from a cloudy Florida where SpaceX is preparing to launch its third operational mission to the International Space Station. The Falcon 9 rocket and Dragon spacecraft loaded with cargo have been rolled to the launch pad at Launch Complex 40 at Cape Canaveral Air Force Station and raised to its vertical launch position. …

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    SpaceX Details Helium Leak

    The SpaceX Falcon 9 rocket stands on the launch pad

    SpaceX released some of the details about the helium leak in the Falcon 9 rocket that scrubbed Monday’s launch attempt of the SpaceX cargo resupply mission to the International Space Station. Here is what the company said: “During Monday’s launch attempt, preflight checks detected that a helium valve in the stage separation pneumatic system was …

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    SpaceX Selects Friday for Launch, Saturday Backup

    The SpaceX Falcon 9 rocket stands on the launch pad

    The International Space Station Program and SpaceX have selected Friday, April 18 for the next launch attempt for the Falcon 9 rocket to send the Dragon cargo craft on the company’s third commercial resupply mission to the space station. Launch is scheduled for 3:25 p.m. EDT. The NASA Launch Blog and NASA TV coverage will …

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    Forecast 40 Percent Go If Friday Launch Attempted

    The SpaceX Falcon 9 rocket stands on the launch pad

    If NASA and SpaceX officials decide to attempt to launch SpaceX-3 to the International Space Station on Friday, there is a 40 percent chance of favorable weather. The Air Force 45th Weather Squadron issued its L-3 forecast, which predicts a chance of showers and thunderstorms that could result in violating the Thick Cloud, Lightning and …

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