Zee's "Probes Before Crew" CTT Overhaul KSP Version 1.8 - 1.12+ Update - September 10 2021 The Voting Poll has been retired. Thanks to all that participated. Final Poll Results Here Hello everyone! I would like to present a CTT overhaul I have been working on since the release of 1.6. I call it Probes Before Crew, and it does what it says on the box; it places remote technologies far ahead of crewed alternatives on the tech tree while also placing greater significance and r