you can build any fighter jet you would want. be it replica, concept or original content. you can make stock and/or modded.
1. able to have enough fuel for long range engagement. (the other side of the ksc continent is a good range point.
2. must have the ability to combat air or ground forces.
3, can be piloted or uav
4. post you plane and hype it up but if someone challenges you try to make video with your plane fighting the challenger if you can
5. (optional ) send the plane to me and ill try to make a video of the fight on my youtube channel
6. list the kerbalx or send the craft files with a list of mods
remember the forums rules still apply here
below is my example/submission: