There seems to be a persistent bug where, while on the planetary surface screen you click on a building and the response "yes sir" comes from your spaceship fleet and a few circles show on top of the buildings. It seems the game thinks you are on the starmap directing your fleets!

It's not your spacefleet, it's the turrets on your fortress (or any other defence turret building) saying "yes sir" like they do in ground battle.

There are 2 issues relating to this.


1-I reported one on steam where I couldn't destroy old fortresses as it just kept selecting the turrets "yes sir", the developer looked into it and discovered that this was not a bug but a badly represented part of the game where the mafia take over your fortress and you can't control it anymore. Just silly really! The only way around it is to 'gift' the planet to one of your enemies, then invade it back and blast the fortress to hell lol!
http://steamcommunity.com/app/490370/discussions/0/1319962683447398880/#c2592234299528294626

2-Pleb reported another one on steam where if you are building a fortress the game won't let you select any other buildings and just keeps selecting the turrets "yes sir". This bug is unavoidable until the building is complete. Once completed you will be able to select other things on that planet again. I don't think the Dev was able to fix this one, not sure.
http://steamcommunity.com/app/490370/discussions/0/1319962683447398880/#c2592234299529819126