Terra Proxima, an Epic Choose Your Own Adventure Serial by Rommel
Episode I: First Strike
You are training as an elite soldier at the military academy Tel-Takir. You go by the callsign Sentinel. Soldiers are no longer so much cannon fodder, they are lethal weapons, especially these ones, part of the global peacekeeping force: The United Guns. You have almost graduated from the academy, and are looking forward to tomorrow, when you will be assigned a posting. You have a bad feeling about graduation night though, and you have been trained to trust your instincts. Something is up...
This is the second version of First Strike.