Men of Valor is a first-person shooter video game for the PC and Microsoft Xbox. It was developed by 2015, Inc., published by Vivendi Universal and first released on October 19, 2004. Men of Valor is based on the Unreal engine and simulates infantry combat during the Vietnam War.
Men of Valor follows Dean Shepard and his squad of Marines from the 3rd Battalion of the 3rd Marine Division through sixteen missions during the Vietnam War including missions at the height of the Tet Offensive.
Source: Wikipedia, "Men of Valor," available under the CC-BY-SA License.