In this episode of Behind Closed Doors, Joan Lunden visits the U.S. Army Armor School at Fort Knox to explore how soldiers are trained to operate the M1A2 Abrams tank. With rare access, she joins trainees in simulators, maintenance drills, and live-fire exercises, even driving a tank herself. The episode highlights the physical and mental demands of armored warfare and the teamwork required to master one of the Army’s most powerful combat vehicles. Through firsthand experience and interviews, Lunden offers viewers an inside look at the precision and discipline of America’s tank crews.

Joan Lunden goes behind closed doors with an elite green beret swat team inside the U.S. Special Forces Training Center in Fort Bragg, North Carolina. Lunden dons her fatigues and takes an insider's look at the original A-Team, the soldiers who stand ready 24-7 for covert missions behind enemy lines. Joan gains first-hand experience at survival school where she learns different methods for staying alive including, how to make a fire, what insects to eat and participates in an exercise of helo extraction—an emergency evacuation method. Survival school prepares soldiers for the worst case scenario when lost behind enemy lines.