The fight over the "One Army Concept" is at its peak. Some in the active Army believed the concept would never work. Weekend warriors couldn't be reliable enough to be integrated into the Army's demanding worldwide missions. In 1989 the National Guard's 2nd Battalion 220th Infantry needs to perform well at the prestigious Joint Readiness Training Center (JRTC) at Fort Chaffee, Arkansas. The men and officers of the 2nd battalion were going to be tested by the Army's best trained professional Opposing Force at the infantry's ultimate proving ground. But this wasn't your average National Guard unit. Their consistent superior performance during the last several years prompted the National Guard leadership to select them to best represent the Guard on this national stage. There are countless distinct challenges for National Guard units that active-duty units don't face. This story describes how the battalion's exceptional leadership can overcome these challenges to turn their unique situation into an advantage. Can the battalion prove to everyone that the "One Army Concept" works? If so, then what's next?