SpaceX scrubs Falcon Heavy's X-37B space plane launch due to ground issue

Feb 18, 2020
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SpaceX scrubbed Monday's (Dec. 11) planned Falcon Heavy launch of the US military's X-37B space plane, citing a 'ground side issue.'

USSF-52 will be the first X-37B mission to ride atop a Falcon Heavy, which can take the space plane higher than it has ever gone before

We don't know anything about the X-37B orbit because it is highly classified. It is likely that rather than an significant change in orbital altitude the advantage of launching atop the Heavy will be a longer duration in orbit since the X-37B will use much less of its own fuel to reach a similar orbit.