Clint Eastwood returns as a director for the upcoming action/biography, American Sniper, in which Bradley Cooper stars as Navy SEAL Chris Kyle. The film is based on Kyle’s memoir, which spent 13 weeks at #1 on the New York Times best-seller list. It follows the sniper’s journey from rodeo cowboy to SEAL Chief with the highest number of sniper kills in U.S. military history.

The film is due out on Christmas Day.