<p>On May 29, 2013 2:43 PM, "spike" <<a href="mailto:spike@rainier66.com">spike@rainier66.com</a>> wrote:<br>
> Control systems are getting sophisticated enough now that manned space flight doesn’t make much sense anymore.</p>
<p>Agreed. At most, it might make sense to transport<br>
humans to fixed installations (such as colonies)<br>
where they might be cheaper/better for certain<br>
functions over the long run than robots...if only we<br>
had any. (The ISS doesn't qualify.) On anything<br>
that needs to worry about delta-v much, they're<br>
cargo.</p>