May 19, 2018, 6:02 p.m.
UPDATE: NASA, Orbital ATK Now Targeting May 21 for Next Resupply Mission to Space Station
Orbital ATK, in conjunction with NASA, has moved the launch of its ninth contracted mission to the International Space Station to no earlier than 4:39 a.m. EDT Monday, May 21, to support further prelaunch inspections and...
