Frank is an internationally renowned expert on the Pacific War. After graduating from the University of Missouri, he was commissioned in the US Army, in which he served for nearly four years, including a tour of duty in the Republic of Vietnam as an aerorifle platoon leader with the 101st Airborne Division. His works include Guadalcanal: The Definitive Account of the Landmark Campaign, which won the United States Marine Corps’ General Wallace M. Greene Award; Downfall: The end of the Imperial Japanese Empire, which won the 2000 Harry S. Truman Book Award; and MacArthur. He has appeared numerous times on or consulted for programs on television and radio, and was also a historical consultant and appeared as a key interviewee in the HBO miniseries The Pacific. He is working on a narrative history trilogy about the Asia–Pacific war. Frank also sits on the Museum’s Presidential Counselors advisory board.