Packed with more than 6,500 pounds of research, crew supplies and hardware, the SpaceX Dragon spacecraft will launch on a Falcon 9 rocket from Launch Complex 39A at NASA’s Kennedy Space Center in Florida today at 5:07 a.m EST. Here’s a look at some of today’s countdown and ascent milestones. All times are approximate: COUNTDOWN Hr/Min/Sec …
Key Milestones for Today’s Launch
