94 relations: Air conditioning, Air raid shelter, Albania, Alpine Wall, Amarillo, Texas, Arch, Bar (unit), Beijing, Blast valve, Blockhaus d'Éperlecques, Blockhouse, Boden Fortress, Bomb, Brandenburg an der Havel, Bunker buster, Bunkers in Albania, Central Government War Headquarters, Cheyenne Mountain Complex, China, Coastal artillery, Cold War, Command and control, Compression (physics), Continuity of government, Czechoslovak border fortifications, Denmark, Ebensee, Emergency Government Headquarters, Enver Hoxha, Explosion, Explosive material, Fallout shelter, Führerbunker, Fibre-reinforced plastic, Flamethrower, Fort Eben-Emael, Golf, Government bunker (Germany), Gravel Gertie, Grenade, Hinterbrühl, Hospital, Hubei, Hugh Trevor-Roper, Igloo, Illowra Battery, Kearny air pump, La Coupole, Machine gun, Maginot Line, ..., Marnate's Bunker, Mittelwerk, Mortar (weapon), Moscow Metro, National redoubt, Nuclear warfare, Nuclear weapon, Old Swedish, Ouvrage Schoenenbourg, Overpressure, Oxford English Dictionary, Pantex Plant, Pillbox (military), Polyethylene, Pounds per square inch, Queen's University, Radiation, Radioactive decay, Raven Rock Mountain Complex, Regelbau, Reinforced concrete, Safe room, Saint-Leu-d'Esserent, Scandinavia, Scots language, Shell (projectile), Shock wave, Singapore, Soil, Soviet Union, Switzerland, Tactical operations center, The Greenbrier, Tire, Tornado, Trench, Underground City (Beijing), Underground Project 131, United States, V-3 cannon, Vault (architecture), Ventilation (architecture), World War I, World War II. Expand index (44 more) » « Shrink index
Air conditioning (often referred to as AC, A/C, or air con) is the process of removing heat and moisture from the interior of an occupied space, to improve the comfort of occupants.
Air raid shelters, also known as bomb shelters, are structures for the protection of non-combatants as well as combatants against enemy attacks from the air.
Albania (Shqipëri/Shqipëria; Shqipni/Shqipnia or Shqypni/Shqypnia), officially the Republic of Albania (Republika e Shqipërisë), is a country in Southeastern Europe.
The Alpine Wall (Vallo Alpino) was an Italian system of fortifications along the 1851 km of Italy's northern frontier.
Amarillo is the 14th-most populous city in the state of Texas, United States.
An arch is a vertical curved structure that spans an elevated space and may or may not support the weight above it, or in case of a horizontal arch like an arch dam, the hydrostatic pressure against it.
The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI).
Beijing, formerly romanized as Peking, is the capital of the People's Republic of China, the world's second most populous city proper, and most populous capital city.
A blast valve is used to protect a shelter, such as a fallout shelter or bunker, from the effects of sudden outside air pressure changes.
The Blockhaus d'Éperlecques (Bunker of Éperlecques, also referred to as "the Watten bunker" or simply "Watten") is a Second World War bunker, now part of a museum, near Saint-Omer in the northern Pas-de-Calais ''département'' of France, and only some 14.4 kilometers (8.9 miles) north-northwest from the more developed La Coupole V-2 launch facility, in the same general area.
In military science, a blockhouse is a small fortification, usually consisting of one or more rooms with loopholes, allowing its defenders to fire in various directions.
Boden Fortress (Bodens fästning) is a modern fortress consisting of several major and minor forts and fortifications surrounding the city of Boden, Norrbotten, in northern Sweden.
A bomb is an explosive weapon that uses the exothermic reaction of an explosive material to provide an extremely sudden and violent release of energy.
Brandenburg an der Havel is a town in Brandenburg, Germany, which served as the capital of the Margraviate of Brandenburg until replaced by Berlin in 1417.
A bunker buster is a type of munition that is designed to penetrate hardened targets or targets buried deep underground, such as military bunkers.
The concrete bunkers of Albania are a ubiquitous sight in the country, with an average of 5.7 bunkers for every square kilometre.
The Central Government War Headquarters is a complex built underground, a 30 October 2005 article from The Sunday Times as the United Kingdom's Emergency Government War Headquarters – the hub of the country's alternative seat of power outside London during a nuclear war or conflict with the Soviet Union.
The Cheyenne Mountain Complex is a military installation and defensive bunker located in unincorporated El Paso County, Colorado, next to Colorado Springs, at the Cheyenne Mountain Air Force Station, which hosts the activities of several tenant units.
China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.
Coastal artillery is the branch of the armed forces concerned with operating anti-ship artillery or fixed gun batteries in coastal fortifications.
The Cold War was a state of geopolitical tension after World War II between powers in the Eastern Bloc (the Soviet Union and its satellite states) and powers in the Western Bloc (the United States, its NATO allies and others).
Command and control or C2 is a "set of organizational and technical attributes and processes...
In mechanics, compression is the application of balanced inward ("pushing") forces to different points on a material or structure, that is, forces with no net sum or torque directed so as to reduce its size in one or more directions.
Continuity of government (COG) is the principle of establishing defined procedures that allow a government to continue its essential operations in case of a catastrophic event such as nuclear war.
The Czechoslovak government built a system of border fortifications, as well as some fortified defensive lines inland, from 1935 to 1938 as a defensive countermeasure against the rising threat of Nazi Germany.
Denmark (Danmark), officially the Kingdom of Denmark,Kongeriget Danmark,.
Ebensee is a market town in the Traunviertel region of the Austrian state of Upper Austria, located within the Salzkammergut Mountains at the southern end of the Traunsee.
Emergency Government Headquarters is the name given for a system of nuclear fallout shelters built by the Government of Canada in the 1950s and 1960s as part of continuity of government planning at the height of the Cold War.
Enver Halil Hoxha (16 October 190811 April 1985) was an Albanian communist politician who served as the head of state of Albania from 1944 until his death in 1985, as the First Secretary of the Party of Labour of Albania.
An explosion is a rapid increase in volume and release of energy in an extreme manner, usually with the generation of high temperatures and the release of gases.
An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure.
A fallout shelter is an enclosed space specially designed to protect occupants from radioactive debris or fallout resulting from a nuclear explosion.
The Führerbunker was an air raid shelter located near the Reich Chancellery in Berlin, Germany.
Fibre-reinforced plastic (FRP) (also called fiber-reinforced polymer, or fiber-reinforced plastic) is a composite material made of a polymer matrix reinforced with fibres.
A flamethrower is a mechanical incendiary device designed to project a long, controllable stream of fire.
Fort Eben-Emael (Fort d'Ében-Émael) is an inactive Belgian fortress located between Liège and Maastricht, on the Belgian-Dutch border, near the Albert Canal.
Golf is a club-and-ball sport in which players use various clubs to hit balls into a series of holes on a course in as few strokes as possible.
The Government Bunker (Regierungsbunker) in Germany, officially named Ausweichsitz der Verfassungsorgane des Bundes im Krisen- und Verteidigungsfall zur Wahrung von deren Funktionstüchtigkeit (AdVB), in English: "Emergency Seat of the Federal Constitutional Organs for the State of Crisis or State of Defence to Maintain their Ability to Function" was a massive underground complex built during the Cold War era to house the German government, parliament and enough federal personnel needed to keep the government working in the event of war or severe crisis.
A Gravel Gertie is a type of bunker designed to provide containment during the nuclear weapons assembly process, when the plutonium or highly enriched uranium "pit" is mated with the high explosive components and wired into the electronics (the "physics package") of the warhead.
A grenade is a small weapon typically thrown by hand.
Hinterbrühl is a town in the district of Mödling in the Austrian state of Lower Austria.
A hospital is a health care institution providing patient treatment with specialized medical and nursing staff and medical equipment.
Hubei is a province of the People's Republic of China, located in the Central China region.
Hugh Redwald Trevor-Roper, Baron Dacre of Glanton, (15 January 1914 – 26 January 2003), was a British historian of early modern Britain and Nazi Germany.
An igloo (Inuit languages: iglu, Inuktitut syllabics ᐃᒡᓗ (plural: igluit ᐃᒡᓗᐃᑦ)), also known as a snow house or snow hut, is a type of shelter built of snow, typically built when the snow can be easily compacted.
Illowra Battery is a former Australian Army coastal-artillery battery located at Port Kembla, New South Wales in Australia, built and in service during World War II.
The Kearny air pump is an expedient air pump used to ventilate a shelter.
La Coupole (The Dome), also known as the Coupole d'Helfaut-Wizernes and originally codenamed Bauvorhaben 21 (Building Project 21) or Schotterwerk Nordwest (Northwest Gravel Works), is a Second World War bunker complex in the Pas-de-Calais department of northern France, about from Saint-Omer, and some 14.4 kilometers (8.9 miles) south-southeast from the less developed Blockhaus d'Eperlecques V-2 launch installation in the same area.
A machine gun is a fully automatic mounted or portable firearm designed to fire bullets in rapid succession from an ammunition belt or magazine, typically at a rate of 300 rounds per minute or higher.
The Maginot Line (Ligne Maginot), named after the French Minister of War André Maginot, was a line of concrete fortifications, obstacles, and weapon installations built by France in the 1930s to deter invasion by Germany and force them to move around the fortifications.
Marnate's Bunker is a military monument of World War II, with the purpose of being used as an industrial bunker.
Mittelwerk (German for "Central Works") was a German World War II factory built underground in the Kohnstein to avoid Allied bombing.
A mortar is usually a simple, lightweight, man portable, muzzle-loaded weapon, consisting of a smooth-bore metal tube fixed to a base plate (to absorb recoil) with a lightweight bipod mount.
The Moscow Metro (p) is a rapid transit system serving Moscow, Russia and the neighbouring Moscow Oblast cities of Krasnogorsk, Reutov, Lyubertsy and Kotelniki.
A national redoubt or national fortress is an area to which the (remnant) forces of a nation can be withdrawn if the main battle has been lost or even earlier if defeat is considered inevitable.
Nuclear warfare (sometimes atomic warfare or thermonuclear warfare) is a military conflict or political strategy in which nuclear weaponry is used to inflict damage on the enemy.
A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or from a combination of fission and fusion reactions (thermonuclear bomb).
Old Swedish (Modern Swedish: fornsvenska) is the name for two distinct stages of the Swedish language that were spoken in the Middle Ages: Early Old Swedish (Klassisk fornsvenska), spoken from around 1225 until 1375, and Late Old Swedish (Yngre fornsvenska), spoken from 1375 until 1526.
Ouvrage Schoenenbourg is a Maginot Line fortification.
Overpressure (or blast overpressure) is the pressure caused by a shock wave over and above normal atmospheric pressure.
The Oxford English Dictionary (OED) is the main historical dictionary of the English language, published by the Oxford University Press.
The Pantex Plant is the primary United States nuclear weapons assembly and disassembly facility that aims to maintain the safety, security and reliability of the nation’s nuclear weapons stockpile.
Pillboxes are concrete dug-in guard posts, normally equipped with loopholes through which to fire weapons.
Polyethylene or polythene (abbreviated PE; IUPAC name polyethene or poly(ethylene)) is the most common plastic.
The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units.
Queen's University at Kingston (commonly shortened to Queen's University or Queen's) is a public research university in Kingston, Ontario, Canada.
In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
Radioactive decay (also known as nuclear decay or radioactivity) is the process by which an unstable atomic nucleus loses energy (in terms of mass in its rest frame) by emitting radiation, such as an alpha particle, beta particle with neutrino or only a neutrino in the case of electron capture, gamma ray, or electron in the case of internal conversion.
The Raven Rock Mountain Complex (RRMC) is a U.S. military installation with an underground nuclear bunker near Blue Ridge Summit, Pennsylvania, at Raven Rock Mountain that has been called an "underground Pentagon." The bunker has emergency operations centers for the United States Army, Navy, and Air Force.
The Regelbau (German for "standard design") were a series of standardised bunker designs built in large numbers by the Germans in the Siegfried Line (Westwall) and the Atlantic Wall as part of their defensive fortifications prior to and during the Second World War.
Reinforced concrete (RC) (also called reinforced cement concrete or RCC) is a composite material in which concrete's relatively low tensile strength and ductility are counteracted by the inclusion of reinforcement having higher tensile strength or ductility.
A safe room or panic room is a fortified room that is installed in a private residence or business to provide a safe shelter, or hiding place, for the inhabitants in the event of a break in, home invasion, tornado, terror attack, or other threat.
Saint-Leu-d'Esserent is a commune in the Oise department in northern France.
Scandinavia is a region in Northern Europe, with strong historical, cultural and linguistic ties.
Scots is the Germanic language variety spoken in Lowland Scotland and parts of Ulster (where the local dialect is known as Ulster Scots).
A shell is a payload-carrying projectile that, as opposed to shot, contains an explosive or other filling, though modern usage sometimes includes large solid projectiles properly termed shot.
In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance.
Singapore, officially the Republic of Singapore, is a sovereign city-state and island country in Southeast Asia.
Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.
The Soviet Union, officially the Union of Soviet Socialist Republics (USSR) was a socialist state in Eurasia that existed from 1922 to 1991.
Switzerland, officially the Swiss Confederation, is a sovereign state in Europe.
A tactical operations center (TOC) is a command post for police, paramilitary, or military operations.
The Greenbrier is a luxury resort located in the Allegheny Mountains near White Sulphur Springs in Greenbrier County, West Virginia, in the United States.
A tire (American English) or tyre (British English; see spelling differences) is a ring-shaped component that surrounds a wheel's rim to transfer a vehicle's load from the axle through the wheel to the ground and to provide traction on the surface traveled over.
A tornado is a rapidly rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud.
A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a wider gully, or ditch), and narrow compared with its length (as opposed to a simple hole).
The Underground City is a Cold War era bomb shelter consisting of a network of tunnels located beneath Beijing, China.
Underground Project 131 is a system of tunnels in China's Hubei province constructed in the late 1960s and the early 1970s to accommodate the Chinese military command headquarters in case of a nuclear war.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
The V-3 (Vergeltungswaffe 3, "Retribution Weapon 3") was a German World War II supergun working on the multi-charge principle whereby secondary propellant charges are fired to add velocity to a projectile.
Vault (French voûte, from Italian volta) is an architectural term for an arched form used to provide a space with a ceiling or roof.
Ventilation is the intentional introduction of ambient air into a space and is mainly used to control indoor air quality by diluting and displacing indoor pollutants; it can also be used for purposes of thermal comfort or dehumidification.
World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.