Produced by Best of USA Marketing, Operation Lion Claws series is the largest professionally operated airsoft tactical military simulation in North America.

Led by US Army Ranger Col. Danny McKnight (ret) of Black Hawk Down fame, US Army LRRP Sgt. Kenn Miller of Vietnam War, decorated US Army Ranger combat veteran and the best RI from Fort Benning, MSG "Mad Max" Mullen (ret), and legendary Green Beret Col. Paul Longgrear (ret), the series is broken down as Operation Bull Dog in the South West, Operation Irene in the Midwest, Operation Northern Wind in the East, and Operation Lion Claws, dubbed the "Super Bowl of Airsoft" by adoring fans, in the West.

Each year LC series also produces a history-based military simulation titled Operation Hac Bao in Southern California with a focus on Vietnam War.