The very first test flight for Orion, NASA's new deep space exploration spacecraft, is less than a day away. Here's a trailer to get you hyped up to watch along live!

Top Image: The Orion spacecraft is intended for human deep space missions, and is billed the first step in bringing people to Mars. Credit: NASA

If you're just now hearing about Orion and want to catch up, here's a full explainer on the spacecraft and a moment-by-moment timeline of what will happen during the test flight. You can also check out a bit more context from when the spacecraft was assembled then rolled out to the launch pad. Of course we'll be covering it here on space.io9.com, raiding NASA Social for behind-the-scenes photos, and keeping a running update of where we are in the test sequence.

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Need something to keep your hands busy until the launch countdown? Assemble an Orion paper model, or learn about rocket science in this Orion A-to-Z colouring book!