Railgun is a thing that stayed there from an experiment, it doesn't have any recipe, but otherwise it is still in the game and can be addded from console (although it is badly balanced). Plane is a part of the campaign and has no function in the base game. (but planes or hovercrafts are planned for ...

Ok, first post here ^^, but I'm not sure if its been noticed yet:

http://imgur.com/Hwcfycs

If i can make an airport and bomb those biter bases into oblivion I'm gonna be soooooo happy!

Edit:OH WHAT?! http://imgur.com/wNxBEyN, IS THIS REAL?!
Edit2: No, I'm not using a mod. This is all vanilla.