The Killer Angels received the 1975 Pulitzer Prize for Fiction.
The Killer Angels has been required reading, at various times, at the US Army Officer Candidate School, The Citadel, the Military College of South Carolina, the U.S. Army Command and General Staff College, the U.S. Army War College, the U.S. Military Academy at West Point, the U.S. Army Special Forces Detachment Officer Qualification Course, The Basic School for Marine Officers (TBS) and Saint Joseph's University. It is one of only two novels (the other being Once an Eagle by Anton Myrer) on the U.S. Army's recommended reading list for Officer Professional Development.