You may suppose that NASA's Space Shuttle (1972-2011) was unique in its design, but it is just one in the category of "space planes." They are launched by a rocket and then glide on their wings back to earth.
NASA has launched the reusable space plane X-37B six times, but SpaceX launched it for the first time yesterday.
Falcon Heavy is the launcher.
from Space
update: launch re-scheduled for tonight at 8:14 pm
(cont'd tomorrow)
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