Learn more about new Rainbow Six Siege operator, Tubarão, in this latest R6S gameplay trailer for Season 4 of Year 8. Tubarão joins the Defenders with a powerful loadout and a freezing Zoto Canister gadget in Operation Deep Freeze.This Rainbow Six Siege season introduces a new map called Lair, which is a military installation built into a cave, serving as the secret HQ for Deimos. New modes Map Run and Versus AI are also inbound to help players train up. #GameTrailers #RainbowSixSiege #R6S