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All Posts Tagged Tag: ‘X-37B space plane’

X-37B Space Plane To Reach 500-Day Milestone In Space

The US Air Force‚Äôs X-37B, an unmanned space plane, will reach a milestone on April 25 by being in space for 500 days. The X-37B was launched on December 11, 2012. It launched on OTV-3 in Cape Canaveral, Florida, and has broken its own record of spending 469 days in space. However, little is known about the mission of the …

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