SpaceX scrubs Falcon Heavy launch of secretive X-37B military spaceplane

SpaceX is standing down from its launch attempt of the USSF-52 mission due to “a ground side issue.” The scrub was followed by a delay of the Falcon 9 launch for the Starlink 6-34 mission as well. SpaceX said they are looking at a backup opportunity no earlier than Tuesday, Dec. 12, at 8:14 p.m. EST (0114 UTC). More

(Source: SpaceFlight Now - Dec 12)