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Patrick K O'Donnell

Patrick K. O'Donnell is a bestselling, critically acclaimed military historian and an expert on elite units. The author of thirteen books, including The Indispensables , The Unknowns , and Washington's Immortals , he is the recipient of numerous national awards. O'Donnell served as a combat historian in a Marine rifle platoon during the Battle of Fallujah and is a professional speaker on America's conflicts, espionage, special operations, and counterinsurgency. He has provided historical...See more