Greetings, (this is my first post)
I recently wiped out the fleet of my arch enemy, the Nebronian Theocracy, and decided to invade their homeworld, a perfectly suitable earth-like world that would be a crown jewel of my empire. I used my fleet to wipe out their ground units and brought in the 15 heavy assualt battalions and the 10 marine battalions I had loaded on my 3 assault transports and ordered them to combat drop on the planet. I waited a bit and... "Cannot combat drop ground unit as target is not a population". Whaaa? Maybe it's because I had the planet selected, instead of the population contact. So I tried again, this time selecting the EM and Thermal Contact coming from the planet labeled "Population [Neb]". Except, the only option I could do was "Boarding Action". Anyone know what I'm doing wrong here? This invasion is the culmnination of a 15 year interstellar war and I really want the planet instead of glassing it.