What isn't always the case?
And the mod is almost COMPLETELY customizable - you can customize details (names, positions, images, stats) of pretty much everything - ships, bases, weapons, whatever you wish! So it sure as hell is customizable.
Mods
EngiN33R's Space RPG Mod [OFFICIAL THREAD]
EngiN33R has written
Apache uwu has written
EngiN33R has written

Good Job
CY has written