Launch window 18:24-20:24 EDT (12:24-14:24 HST) for crew of 4 in Orion spacecraft on Moon flight to last 10-14 days; 3 USA and 1 Canada Astronaut: Commander Reid Wiseman, Pilot Victor Glover, Mission Specialists Christina Koch and Jeremy Hansen; mission will also deploy numerous CubeSats; launch opportunities on April 1, 3, 4, 5, and 6.