The name it two references to X-COM X-ray being the nickname of the aliens given by the soldiers and Firestorm after the best fighter craft available in the game.
Uses the following mods: KSP Interstellar Extended, KSP Interstellar Fuel Switch, KSP Interstellar Fuel Switch Core, Kerbal Joint Reinforcement, Heat Control, Tweak Scale, Community Resource Pack, BD Armory, and last but not least Module Manager.
Basic design and Warpring do not require BD Armory
All mods current as of December 17, 2017
December 19th, 2017, added EX version, which adds more missiles
Controls
1 - Plasma Engine Toggle
2 - Thermal Engines Toggle
3 - Engine Fuel Toggle
4 - Air Intake Toggle
5 - Docking Port Shield Toggle
6 - Undock or decouple
7 - ECM toggle
8 - AI Autopilot Toggle
9 - Fuel Scoop Resource Toggle
0 - Fuel Scoop Toggle
~ Maximus Light