Breaking down a 1951 U.S. Army research report based on interviews with 57 infantrymen fighting in Korean War. The episode pulls blunt, field-tested answers on what makes a good vs. poor combat man and leader—things like combat know-how, staying on task under pressure, remaining calm, taking care of gear, putting the team first, and giving clear, fair leadership. They connect those traits to everyday life and work: master your job, take quick appropriate action, control emotions, avoid selfishness and excuses, and build trust by sharing risk and being consistent.