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Aug
, a private space mission that aims to complete the first-ever civilian spacewalk, is expected to launch this week. On , SpaceX said it’s targeting Tuesday August 27 at 3:38AM ET for liftoff of the Falcon 9 rocket that will carry the Polaris Dawn crew to orbit. Led by billionaire Jared Isaacman, Polaris Dawn plans to send its crew of four private citizens as far as 870 miles from Earth — farther than any human has traveled since the Apollo program. The spacewalk, in which two of the crew members will step outside the SpaceX Dragon capsule, will take place…