By Douglas Messier
Managing Editor
With just over seven months to go, NASA’s commercial crew partners are racing to complete 14 remaining milestones in this phase of the competition to launch Americans into orbit on U.S.-built spacecraft.
The coming months will see SpaceX conduct to abort tests of its Dragon spacecraft and Sierra Nevada conduct at least one additional drop test of its Dream Chaser shuttle. Boeing will conduct three critical design reviews and a comprehensive safety review of its CST-100 spacecraft.