This study determines the tenets of Fourth Generation Warfare (4GW) through a review of current literature. The case studies of Braddock's Campaign, the Southern Campaign of the American Revolution, and the Philippines Insurrection provide justification for the presence of the tenets of 4GW throughout American Military History and provide insights into the fighting 4GW. The insights garnered from a review of the case studies are then used to provide strategies for the successful engagement of 4GW.