SLS rocket advancing, but its launch date may slip to 2020

NASA

NASA will soon set a new date for the maiden flight of its massive Space Launch System rocket, which will send the Orion spacecraft on a test flight around the Moon. Previously, this flight had been scheduled for 2018, but NASA officials acknowledged earlier this year that the launch date would slip into 2019.

Now, there is the possibility of further delays, although NASA isn't saying this publicly just yet. On Wednesday, at the Wernher von Braun Memorial Symposium in Huntsville, Alabama, a key official said that a 2019 date is still on the table because Marshall Space Flight Center expects to deliver the rocket's core stage to the launch site in Florida by the end of 2018.

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