Complex sentence: The Black Knight (Vehicle) is a prototype Unmanned Ground Combat Vehicle (UGCV) designed by BAE Systems that weighs 12-tons and is C-130 deployable, which means that the Black Knight can be airlifted by military transport aircraft.
Split into simpler sentences: The Black Knight (Vehicle) is a prototype Unmanned Ground Combat Vehicle (UGCV) designed by BAE Systems. It weighs approximately 12-tons and is C-130 deployable, which means that the Black Knight can be airlifted by military transport aircraft.