The US navy’s spaceplane is about to fly once more—it wants an even bigger rocket

SpaceX's Falcon Heavy rocket stands on Launch Complex 39A in Florida, hours before its scheduled liftoff with the military's X-37B spaceplane.

Enlarge / SpaceX’s Falcon Heavy rocket stands on Launch Advanced 39A in Florida, hours earlier than its scheduled liftoff with the navy’s X-37B spaceplane. (credit score: Trevor Mahlmann/Ars Technica)

CAPE CANAVERAL, Florida—A SpaceX Falcon Heavy rocket is poised for launch as quickly as Tuesday night time from the Kennedy House Heart in Florida, and the US navy’s mysterious X-37B spaceplane is fixed atop the heavy-lifter for a journey into orbit.

Though the House Drive is protecting particulars concerning the navy spaceplane’s flight below wraps, we all know it is heading into an uncommon orbit, most likely considerably greater than the X-37B’s earlier sojourns that stayed inside a couple of hundred miles of Earth’s floor.

SpaceX’s launch staff referred to as off a launch try Monday night time “due to a floor aspect subject” and reset for one more launch alternative as quickly as Tuesday night time. When it lifts off, the Falcon Heavy will mild 27 kerosene-fueled engines to energy the rocket off its launch pad overlooking the Atlantic shoreline.

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