What? Flight five didn’t lose any engines. N1 kept blowing up.
X-33 never got to a test flight, let alone a successful one.
X-33 never got to a test flight, let alone a successful one.
X-33 never got to test flight because the engineer minded NASA director kept pushing an unrealistic technical goal.
Besides, SS still hasn't gotten its payload system working.
Are those that dissimilar to how SS program is going?