Rainbow Six Siege: Operation Burnt Horizon – Gridlock & Mozzie Trailer | PS4 McMurphy_YouTube https://www.youtube.com/c/McMurphyPlay 23 Meet Gridlock and Mozzie, two new SASR Operators joining Rainbow Six in Operation Burnt Horizon. Make sure to tune in for the Six Invitational this weekend for the full reveal. The Aussies are here to stay! Reply Send PM Replies • 0 Edit Post