A series of aviation and marine warnings suggest the launch could be as soon as Tuesday, May 27, following the Memorial Day holiday, which was confirmed by SpaceX on Friday.
SpaceX’s Dragon supply ship reached the International Space Station on Wednesday, with astronaut Jeff Williams grappling the unpiloted spacecraft with the research lab’s robotic arm at 6:56 a.m. EDT (1056 GMT) after an automated rendezvous.