U.S. Navy reports discussing their contribution to the disposal of unexploded bombs and mines in Japan after World War II.

Merriam Press Military Reprint 4. Second Reprint Edition (June 2012). OP 1667 describes and illustrates Japanese explosive ordnance. It covers bombs, bomb fuzes, land mines, grenades, firing devices, and sabotage devices. This work was intended to provide general descriptions of these fields of ordnance for instructional and informational purposes. It superseded the publications on Japanese explosive ordnance issued by the U.S. Navy Bomb Disposal School. Every item in this volume is fully described in complete detail, including specifications, description, construction of body and tail, operation, employment, and remarks. Each item is illustrated with one or more highly detailed B&W tone drawings of the exterior and/or cutaways or sectional views of the interior. First published 14 June 1946 by the Bureau of Ordnance, Navy Dept., Washington, D.C. Contents: Army Bombs; Navy Bombs [including the "Baka" Piloted Rocket Bomb]; Army Bomb Fuzes; Navy Bomb Fuzes; Gaines and Magazines; Land Mines; Grenades; Firing Devices and Sabotage Devices; 459 drawings and illustrations.

This volume is devoted to the history and use by the United States of one of the Navy's least spectacular and most effective weapons. The effectiveness of the submarine mine has not decreased with the coming of the space age. So long as cargo ships cross the sea, this unspectacular weapon will remain a major factor in control of the approaches to harbors, and the shallow straits between seas. Robert Duncan has devoted most of his adult life to the generation and augmentation of competence in the application of growing science to the design, production, and use of mines for the U.S. Navy. He joined the staff of the Naval Ordnance Laboratory before it was known by that name, but in time to capitalize on the experience of the Navy with mines in World War I. He provided the technical leadership which was an important factor in keeping the art and science of mining alive in the Navy in the days of the depression. By so doing, he provided a basis for a hundredfold expansion of the Navy's effort previous to and during World War II. The hundreds of technical people who had the privilege of joining in this effort under Dr. Duncan's leadership will be happy to see this accurate and factual record of achievement. The experience recorded between these covers will serve as a guide to those still engaged in the development of this type of weapon, and the achievements made during World War II will be an inspiration to any who might be responsible for again expanding our national effort in mining, should the occasion arise. (Author).

Based on twenty years of research in formerly secret archives, this book reveals for the first time the full significance of War Plan Orange—the U.S. Navy's strategy to defeat Japan, formulated over the forty years prior to World War II.