The X-90 Shield Generator was one of the two shield systems produced by the Templars of Twilight. Unlike the Dragon Mail Shielding system which used several small emitters to produce a skin like shield around the object being defended, the X-90 used a singular larger generator that produced a domed or spherical shield around its subject. The generator came in two version, the standard X-90 that was used on a few ship models, and the X-90m that was used on the RX-90 Shield Generator Tank and other land vehicles to produce defensive fields around itself and the area around it. While both the X-90 and the Dragon Mail system used the same ammount of power, the X-90 was not as effective defending from long sustained heavy attack as the Dragon Mail because of its larger area of operation. It was