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DEFCON 1
The defense readiness condition (DEFCON) is an alert state used by the United States Armed Forces. (DEFCON is not mentioned in the 2010 and newer document) The DEFCON system was developed by the Joint Chiefs of Staff (JCS) and unified and specified combatant commands. It prescribes five graduated levels of readiness (or states of alert) for the U.S. military. It increases in severity from DEFCON 5 (least severe) to DEFCON 1 (most severe) to match varying military situations, with DEFCON 1 signalling the outbreak of nuclear warfare. DEFCONs are a subsystem of a series of Alert Conditions, or LERTCONs, which also include Emergency Conditions (EMERGCONs). Definition The DEFCON level is controlled primarily by the U.S. president and the U.S. Secretary of Defense through the Chairman of the Joint Chiefs of Staff and the Combatant Commanders; each level defines specific security, activation and response scenarios for the personnel in question. Different branches of the U.S. Arme ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dc All Five
DC, D.C., D/C, Dc, or dc may refer to: Places * Washington, D.C. (District of Columbia), the capital and the federal territory of the United States * Bogotá, Distrito Capital, the capital city of Colombia * Dubai City, as distinct from the Emirate of Dubai Science, technology and mathematics * DC or Direct current, electric current which flows in only one direction ** DC bias, a waveform's mean value ** Decicoulomb (dC), a unit of electric charge * Dené–Caucasian languages, of east Asia and western North America * New Zealand DC class locomotive * Methylphosphonyl dichloride, a chemical weapons precursor Biology and medicine * DC., standard author abbreviation for botanist Augustin Pyramus de Candolle (1778-1841) * Dendritic cell, a type of immune cell * Doctor of Chiropractic, a qualification in alternative medicine Computing * dc (computer program), a desktop calculator * DC coefficient a.k.a. constant component in discrete cosine transform * Data center, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air & Space/Smithsonian
''Air & Space/Smithsonian'' is a quarterly magazine published by the National Air and Space Museum in Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ..., United States. Its first publication was in April 1986. Articles in the magazine involve topics related to aviation and space travel, historical and current. It also covers military aviation and aeronautical technology. References External links * 1986 establishments in Washington, D.C. Bimonthly magazines published in the United States History magazines published in the United States Aviation magazines Magazines established in 1986 Magazines published in Washington, D.C. Smithsonian Institution publications {{hist-mag-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Strategic Air Command
Strategic Air Command (SAC) was both a United States Department of Defense Specified Command and a United States Air Force (USAF) Major Command responsible for command and control of the strategic bomber and intercontinental ballistic missile components of the United States military's strategic nuclear forces from 1946 to 1992. SAC was also responsible for the operation of strategic reconnaissance aircraft and airborne command post aircraft as well as most of the USAF's aerial refueling fleet, including aircraft from the Air Force Reserve (AFRES) and Air National Guard (ANG). SAC primarily consisted of the Second Air Force (2AF), Eighth Air Force (8AF) and the Fifteenth Air Force (15AF), while SAC headquarters (HQ SAC) included Directorates for Operations & Plans, Intelligence, Command & Control, Maintenance, Training, Communications, and Personnel. At a lower echelon, SAC headquarters divisions included Aircraft Engineering, Missile Concept, and Strategic Communicat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Army Europe
United States Army Europe and Africa (USAREUR-AF) is an Army Service Component Command (ASCC) /Theater Army responsible for directing United States Army operations throughout the U.S. European Command (EUCOM) and U.S. Africa Command (AFRICOM) area of responsibility. During the Cold War, it supervised ground formations primarily focused upon the Warsaw Pact to the east as part of NATO's Central Army Group. Since the revolutions of 1989, it has greatly reduced its size, dispatched U.S. forces to the Gulf Wars of 1990-91 and the 2003 invasion of Iraq, the Kosovo War, the War in Afghanistan (2001–2021) and increased security cooperation with other NATO land forces. In 2020, the Army announced that United States Army Africa would consolidate with U.S. Army Europe to form a new command, U.S. Army Europe and Africa. The two commands were consolidated on November 20, 2020. History World War II The European Theater of Operations, United States Army (ETOUSA) was a Theater of Ope ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nathan F
Nathan or Natan may refer to: People *Nathan (given name), including a list of people and characters with this name *Nathan (surname) *Nathan (prophet), a person in the Hebrew Bible *Nathan (son of David), biblical figure, son of King David and Bathsheba *Nathan of Gaza, a charismatic figure who spread the word of Eli the Prophet *Starboy Nathan, a British singer who used the stage name "Nathan" from 2006 to 2011 * Nathan (footballer, born 1994), full name ''Nathan Athaydes Campos Ferreira'', Brazilian winger * Nathan (footballer, born 1995), full name ''Nathan Raphael Pelae Cardoso'', Brazilian centre back *Nathan (footballer, born 1996), full name ''Nathan Allan de Souza'', Brazilian midfielder *Nathan (footballer, born May 1999), full name ''Nathan Crepaldi da Cruz'', Brazilian forward *Nathan (footballer, born August 1999), full name ''Nathan Palafoz de Sousa'', Brazilian forward Other uses *Nathan, Queensland, a suburb of Brisbane in Australia *Nathan (band), an alt-coun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North American Aerospace Defense Command
North American Aerospace Defense Command (NORAD ), known until March 1981 as the North American Air Defense Command, is a combined organization of the United States and Canada that provides aerospace warning, air sovereignty, and protection for Canada and the continental United States. Headquarters for NORAD and the NORAD/ United States Northern Command (USNORTHCOM) center are located at Peterson Space Force Base in El Paso County, near Colorado Springs, Colorado. The nearby Cheyenne Mountain Complex has the Alternate Command Center. The NORAD commander and deputy commander (CINCNORAD) are, respectively, a United States four-star general or equivalent and a Canadian lieutenant-general or equivalent. Organization CINCNORAD maintains the NORAD headquarters at Peterson Space Force Base near Colorado Springs, Colorado. The NORAD and USNORTHCOM Command Center at Peterson SFB serves as a central collection and coordination facility for a worldwide system of sensors desig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Department Of Defense
The United States Department of Defense (DoD, USDOD or DOD) is an executive branch department of the federal government charged with coordinating and supervising all agencies and functions of the government directly related to national security and the United States Armed Forces. The DoD is the largest employer in the world, with over 1.34 million active-duty service members (soldiers, marines, sailors, airmen, and guardians) as of June 2022. The DoD also maintains over 778,000 National Guard and reservists, and over 747,000 civilians bringing the total to over 2.87 million employees. Headquartered at the Pentagon in Arlington, Virginia, just outside Washington, D.C., the DoD's stated mission is to provide "the military forces needed to deter war and ensure our nation's security". The Department of Defense is headed by the secretary of defense, a cabinet-level head who reports directly to the president of the United States. Beneath the Department of Defense are th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Department Of Homeland Security
The United States Department of Homeland Security (DHS) is the Federal government of the United States, U.S. United States federal executive departments, federal executive department responsible for public security, roughly comparable to the Interior minister, interior or home ministries of other countries. Its stated missions involve anti-terrorism, border security, immigration and customs, cyber security, and disaster prevention and management. It began operations in 2003, formed as a result of the Homeland Security Act of 2002, enacted in response to the September 11 attacks. With more than 240,000 employees, DHS is the third-largest Cabinet of the United States, Cabinet department, after the Departments of United States Department of Defense, Defense and United States Department of Veterans Affairs, Veterans Affairs. Homeland security policy is coordinated at the White House by the United States Homeland Security Council, Homeland Security Council. Other agencies with signi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
