Operation Burnt Horizon is a Season update for the tactical shooter, Rainbow Six Siege, released in 2019. This content deepens the core gameplay loop—intense, objective-based combat requiring team coordination and environmental destruction—by introducing two new Australian SASR Operators, Gridlock and Mozzie, alongside the new Outback service station map. This mid-cycle expansion integrates directly into the existing structure, offering fresh tactical challenges and expanding the roster available across PC, PlayStation 4, and Xbox One.