The "First Strike" map pack for Call of Duty: Black Ops released on February 1, 2011 (Xbox 360) and March 3, 2011 (PS3/PC).
Current Status: The PS3 servers for Black Ops have been shut down. The map pack is no longer purchasable or playable online. The PS3 console itself is discontinued.
For modern Call of Duty experiences, consider current titles (Modern Warfare III, Black Ops 6) on PS5, Xbox Series, or PC with active cross-play support.