The second season of Year 1, Operation Dust Line, was released on. Frost is a defending operator who can use a device similar to a bear trap to incapacitate enemies, while Buck, the attacking operator, has an under-barrel M26 shotgun. It also introduced two Canadian operators from the special operations force Joint Task Force 2, Frost and Buck. The operation introduced a new map, a frozen yacht in Canada. Operation Black Ice, the inaugural season of Tom Clancy's Rainbow Six Siege, was released on 2 February 2016.