I'm running into a problem where no matter what mod pack I use, it seems like MechJeb doesn't want to work. If I run MechJeb by itself though, it works fine. Some examples of the mods I'm running... KW Rocketry AIES Aerospace B9 Aerospace It seems like when I load up MechJeb with any of these, none of the parts from MechJeb show up, and only some of the parts from the other mods show.