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Any of VADM James Stockdale’s books, but I always liked “Thoughts of a Philosophical Fighter Pilot” best. He was an admirer of Epictetus and Stoicism, and used that to lead and survive during his POW experience.
Anything by GEN Colin Powell, but my favorites include “It Worked For Me.”
By Gen Ann Dunwoody, first female 4-star, “A Higher Standard.”
“Reflections of a Servant Leader,” Major General Alfred Flowers. I had never heard of him until I was given this book. I enjoyed it tremendously.
Chief of Naval Operations pro reading:
https://www.navy.mil/ah_online/cno-readingprogram/