On Saturday, September 3, 2016 at 12:35:24 PM UTC+12, Fred J. McCall wrote:
JF Mezei wrote:


Proper change control could limit manned vehicle to only versions that
have flown at least X times without fail. Cargo ones could adopt
improvements constantly. (once an improvement has flown enough times, it
can be incorporated in the design for manned flight).


Here we go again. Read the following closely:

THEY DO NOT CONSTANTLY TINKER WITH THE ****ING ROCKETS.

Which part of that don't you understand?


--
"Some people get lost in thought because it's such unfamiliar
territory."
--G. Behn

You have no idea what you're talking about. What part of that don't you understand?