America's Army #13 - Decide to Lead PT. 1 : Changes Reeling from the defeat of an attempted nuclear attack, Czervenian troopers strike front-line positions on Northern Palisav Island as Coalition Forces, led by Lurker Teams, mount a counterattack. Ambushes along supply routes are stopping U.S. convoys from delivering critical supplies prompting Captain Carter and his men of the 509th Brigade Support Team to assume Quick Reaction Force operations. Carter will have to make hard, fast decisions while drawing on his own experiences to complete the mission in America's Army #13 - Decide to Lead PT. 1 : Changes.