Operation Deep Freeze

Operation Deep Freeze is the thirty-first expansion for Tom Clancy's Rainbow Six Siege. It adds the operator Tubarão and the map Lair, with core gameplay improvements, a Battle Pass, an in-game event, a rework of shield mechanics and a Defender AI playlist. It was formally announced on 18 February 2023 during the Six Invitational 2023, its name was unveiled on 1 November 2023 at the BLAST R6 Major Atlanta, and it was released on 6 December 2023.