Enlarge / SpaceX’s Falcon Heavy rocket stands on Launch Complex 39A in Florida, hours before its scheduled liftoff with the military’s X-37B spaceplane.Trevor Mahlmann/Ars Technica
CAPE CANAVERAL, Florida—A SpaceX Falcon Heavy rocket is poised for launch as soon as Tuesday night from the Kennedy Space Center in Florida, and the US military’s mysterious X-37B spaceplane is fastened atop the heavy-lifter for a ride into orbit.
Although the Space Force is keeping details about the military spaceplane’s flight under wraps, we know it’s heading into an unusual orbit, probably significantly higher than the X-37B’s previous sojourns that stayed within a few
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