I recently removed the poorly conceived tag small from a question because I wasn't sure if they meant for it to refer to smallsats or small rockets, but it did cross my mind that it might be useful to have a smallsat tag. Something as a catch-all so that we don't have to create tags for all the individual categories aside from cubesats unless we actually ...
Is the description of the mission design tag wrong?
It is incomplete based on text snippets below and @OrganicMarble's comment. It needs to be revised to better describe what mission design entails.
Is the trajectory design tag redundant and/or confusing and should somehow be nixed?
I don't think it needs to be nixed; trajectory design ...
Here's a quick inventory of the current tagging status of multi-mission space programs:
Apollo: "apollo-program" + individual tags for Apollo 10-17 and Apollo-Soyuz
Space Shuttle: "space-shuttle" + the individual orbiters "shuttle-columbia", "...