Why was Louie Zamperini considered courageous?

Louie Zamperini was considered courageous for his remarkable resilience and determination in the face of immense adversity during World War II. After surviving a plane crash in the Pacific, he endured weeks adrift at sea, facing starvation, shark attacks, and the harsh elements. Captured by the Japanese Navy, he displayed extraordinary bravery and mental strength while enduring brutal treatment in prisoner-of-war camps. His story of survival and forgiveness, recounted in his autobiography "Unbroken," exemplifies the human spirit's ability to overcome even the most harrowing challenges.