depicting Operation Downfall The Burning Mountain – Alternate history novel by Alfred Coppel depicting the operation in the wake of a failed Manhattan Project Operation Sea Lion – The planned German invasion of the United Kingdom Operation Unthinkable – British plans for war against the Soviet Union References Notes Bibliography External links Allen, Thomas B., "Operation Downfall". Houghton Mifflin Reader's Companion to Military History. Bauer, K. Jack, "Operation Downfall: Olympic, Coronet; World War II in the Pacific, The Invasion of Japan". ww2pacific.com. . Hoyt, Austin, American Experience: Victory in the Pacific ; PBS documentary. Japanese Monograph No. 23, "Waiting for the invasion" (notes on Japanese preparations for an American invasion) Pearlman, Michael D., "Unconditional Surrender, Demobilization, and the Atomic Bomb"; Combat Studies Institute, U.S. Army Command and General Staff College, 1996. . Japan campaign World War II operations and battles of the Pacific theatre Cancelled invasions Operation Downfall Cancelled military operations of World War II Cancelled military operations involving the United States Cancelled military operations involving the United Kingdom United States Marine Corps in World War II Military operations of World War II