When four astronauts begin a historic trip around the moon as soon as Feb. 6, they'll climb aboard NASA's 16.5-foot-wide Orion spacecraft with the understanding that it has a known flaw.
ORLANDO — When four astronauts begin a historic trip around the moon as soon as Feb. 6, they'll climb aboard NASA's 16.5-foot-wide Orion spacecraft with the understanding that it has a known flaw — one that has some experts urging the space agency no... [4082 chars]