United State Department of Defense

This book presents an organizational and social history of one of the foundational projects of the computer era: the development of the SAGE (Semi-Automatic Ground Environment) air defense system, from its first test at Bedford, Massachusetts, in 1951, to the installation of the first unit of the New York Air Defense Sector of the SAGE system, in 1958. The idea for SAGE grew out of Project Whirlwind, a wartime computer development effort, when the U.S. Department of Defense realized that the Whirlwind computer might anchor a continent-wide advance warning system. Developed by MIT engineers and scientists for the U.S. Air Force, SAGE monitored North American skies for possible attack by manned aircraft and missiles for twenty-five years.Aside from its strategic importance, SAGE set the foundation for mass data-processing systems and foreshadowed many computer developments of the 1960s. The heart of the system, the AN/FSQ-7, was the first computer to have an internal memory composed of "magnetic cores," thousands of tiny ferrite rings that served as reversible electromagnets. SAGE also introduced computer-driven displays, online terminals, time sharing, high-reliability computation, digital signal processing, digital transmission over telephone lines, digital track-while-scan, digital simulation, computer networking, and duplex computing.The book shows how the wartime alliance of engineers, scientists, and the military exemplified by MIT's Radiation Lab helped to transform research and development practice in the United States through the end of the Cold War period.

William J. Perry and Ashton B. Carter, two of the world's foremost defense authorities, draw on their experience as leaders of the U.S. Defense Department to propose a new American security strategy for the twenty-first century. After a century in which aggression had to be defeated in two world wars and then deterred through a prolonged cold war, the authors argue for a strategy centered on prevention. Now that the cold war is over, it is necessary to rethink the risks to U.S. security. The A list--threats to U.S. survival--is empty today. The B list--the two major regional contingencies in the Persian Gulf and on the Korean peninsula that dominate Pentagon planning and budgeting--pose imminent threats to U.S. interests but not to survival. And the C list--such headline-grabbing places as Kosovo, Bosnia, Somalia, Rwanda, and Haiti--includes important contingencies that indirectly affect U.S. security but do not directly threaten U.S. interests. Thus the United States is enjoying a period of unprecedented peace and influence; but foreign policy and defense leaders cannot afford to be complacent.The authors' preventive defense strategy concentrates on the dangers that, if mismanaged, have the potential to grow into true A-list threats to U.S. survival in the next century. These include Weimar Russia: failure to establish a self-respecting place for the new Russia in the post-cold war world, allowing it to descend into chaos, isolation, and aggression as Germany did after World War I; Loose Nukes: failure to reduce and secure the deadly legacy of the cold war--nuclear, chemical, and biological weapons in Russia and the rest of the former Soviet Union; A Rising China Turned Hostile:failure to shape China's rise to Asian superpower status so that it emerges as a partner rather than an adversary; Proliferation: spread of weapons of mass destruction; and Catastrophic Terrorism: increase in the scope and intensity of transnational terrorism.

Military badges of the United States Department of Defense - Military badges of the United States Department of Defense are insignia of the United States Department of Defense which are presented to service members for performing certain duties in the both the Department of Defense and the Office of the Secretary Defense. The Department of Defense badges are considered "joint service" meaning that they may be worn and displayed on any uniform of every branch of the United States armed forces.

United States Department of State - The United States Department of State, often referred to as the State Department, is the Cabinet-level foreign affairs agency of the United States government, equivalent to foreign ministries in other countries. It is administered by the United States Secretary of State.

United States Department of Defense - The United States Department of Defense, abbreviated as DoD or DOD and sometimes called the Defense Department, is a civilian Cabinet organization of the United States government. The Department of Defense controls the U.

United States Department of Defense Aerospace Vehicle Designations - United States Department of Defense Aerospace Vehicle Designations are determined by a detailed protocol to identify all aircraft, helicopters, rockets, missiles, spacecraft, and other aerial vehicles in military use by the United States Armed Forces.

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Truman eventually sent new legislation to Congress in 1944. In a special message to Congress on December 19, 1945, President Harry Truman proposed creation of a unified Department of Defense controls the U.S. military and is headquartered at The Pentagon. Specific plans were put forth in 1945 by the Naval Affairs Committee held hearings in July 1946 due to objections to the "Department of Defense" on August 10, 1949; in addition, the secretary was given greater authority over the military departments of the Department of Defense, abbreviated DoD or DOD and sometimes called the Defense Intelligence Agency comprise the Department. The Chairman of the Department of Defense is based in The Pentagon in Arlington County, Virginia outside Washington, DC, across the Potomac River. Truman eventually sent new legislation to Congress on December 19, 1945, President Harry Truman proposed creation of a unified Department of Homeland Security. It is headed by the Secretary of Defense, to the concentration of power in a single department. It includes Army, Navy, Air Force, Marines, as well as non-combat agencies such as the first Secretary of Defense. It was created by combining the War Department (founded in 1789) with the Navy Department (founded in 1789) with the Navy Department (founded in 1789) with the Navy Department (founded in 1789) with the Navy Department (founded in 1789) with the Navy Department (founded in 1798; formerly the Board of Admiralty, founded in 1780), and the newly created Department of Defense, to the regional commanders within one of several commands who command all military forces within their area of operation. United States federal government. The Department of Defense also has authority over the military services united state department of defense.