Ubisoft has revealed the first map that will get the rework treatment for the third season of Rainbow Six: Siege. The third year and third season of the game, dubbed Operation Grim Sky, will see Hereford Base get a facelift. The map has been in the game since the beta a few years back. Not much is really known about what exactly the Rainbow Six: Siege team at Ubisoft is doing, but we do know that it will feature a new look and a new layout. However, it will still feel "familiar" to returnin...