"GDI Central Command was forced to develop entire strategies around the Crawler once it took the field. Despite its thick armor, it is a slow moving, large target for Nod's hit and run strike teams. Escorts became crucial, protecting the Crawler as though it was a naval flag ship. Mammoth tanks provided excellent fire support, but remained vulnerable to the same laser weapons which already were so well suited to piercing the Crawler’s skin. The Refractor was developed to create a shield specifically tuned to counteracting the penetrating qualities of heavy laser weapons. The new design replaced the Mammoth’s signature dual-cannon with a thick laser-resistant shield and a heavy ion cannon style laser of its own. For the first time, GDI was able to field a heavy vehicle that could assault the iconic Obelisk of Light without incurring severe damage. The Refractor’s first trial by fire was and immediate success."

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