15. John F. Kennedy
John F. Kennedy‘s wartime service as a Navy PT boat commander became a cornerstone of his public persona and leadership style. His acts of heroism during World War II, particularly in the rescue of his crew, forged a sense of duty, resilience, and empathy that would mark his presidency. Kennedy’s military background not only inspired confidence but also underscored his commitment to service, shaping the way he navigated both domestic and international challenges.
