In the aftermath of the FOB destruction, Captain Carl Reed and his Mustang squad lead the way for the new LRCA-R "Lurker" experimental combat teams. Focusing on small unit operations, the team trains hundreds of incoming elite soldiers at JTC-Griffin to combat and defeat President-General Adzic and his forces. As new intel emerges on Czervo activity, CPT Reed leads a critical mission to a familiar Pipeline facility to expose General Adzic's secret in America's Army #8 - Proving Grounds.