Marine Sharpshooter: One Shot. One Kill

CTU: Marine Sharpshooter is a first-person shooter video game developed by Jarhead Games and published by Groove Games, released on March 20, 2003. CTU: Marine Sharpshooter's story details the adventures of Lieutenant Smith and Sergeant Cooper, a US Marine Corps scout sniper, team as they chase down some warlords in Afghanistan and follow the trail of lost nuclear materials. The player assumes the role of the sniper, as you take on an army of terrorists and mercenaries in order to prevent a nuclear holocaust.

Source: TheGamesDB