Photos: More Launch shots of Delta 375 rocket

NASA safety advisors on Thursday lauded hardware milestones on Boeing and SpaceX commercial crew capsules, but said multiple technical issues, including problems with parachutes, must be resolved before the human-rated ships are ready to carry astronauts, adding that both companies continue to pursue schedules that appear to be unachievable.

A U.S. military satellite awaiting launch Friday night from Cape Canaveral is small enough to fit on a coffee table, but it will punch above its weight, scanning a region more than 20,000 miles above Earth to catalog spacecraft movements and space junk.

Three Chinese military surveillance spacecraft and an experimental nanosatellite rode a Long March 4C rocket into orbit Tuesday.