CAPE CANAVERAL, Fla. – SpaceX founder Elon Musk is expected to make a big announcement Monday.
In a tweet, Musk said simply that the announcement would happen at 4 p.m. EST.
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No other details are known.
Last week, SpaceX launched a Falcon 9 rocket with a Dragon cargo capsule to the International Space Station.
It was a historic liftoff from launch pad 39-A, which had been quiet since the last space shuttle launch in 2011.
SpaceX announcement tomorrow at 1pm PST
— Elon Musk (@elonmusk) February 27, 2017