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Blast doors in a missile control bunker at Minot Air Force Base, North Dakota. The 25-ton blast door in the Cheyenne Mountain nuclear bunker is the main entrance to another blast door (background) beyond which the side tunnel branches into access tunnels to the main chambers.
This page is subject to the extended confirmed restriction related to the Arab-Israeli conflict. Map of ongoing armed conflicts (number of combat-related deaths in current or previous year): Major wars (10,000 or more) Minor wars (1,000–9,999) Conflicts (100–999) Skirmishes and clashes (1–99) The following is a list of ongoing armed conflicts that are taking place around the world ...
It's located in one of the most remote places on Earth - an island in the Arctic circle. 2. Area 51 in Nevada is notorious for mystery probably because it is so well-guarded.
Russian anti-tank obstacles near the horizon, Kherson Oblast, May 2022. Dragon's teeth on the left, Czech hedgehogs on the right In Belgorod Oblast, defensive lines of dragon's teeth were constructed in October 2022 under the supervision of the Wagner Group along the Russia–Ukraine border, intended as a second line of defense alongside trenches and a trained militia in the event the ...
The Russia–Ukraine barrier, or "Wall", is a fortified border barrier constructed by Ukraine along its border with Russia. Initiated in 2014 amid the annexation of Crimea and conflict in Donbas , the barrier aims to enhance security, prevent smuggling , and curb illegal crossings . [ 50 ]
The workers had stumbled on three underground bunkers left from World War II, archaeologists said. The hidden bunkers were made of reinforced concrete about 3 feet thick and still completely intact.
The Redoubt positions and others in Switzerland were augmented by the Bison project, which involved the installation of anti-tank guns in new bunkers at key locations to provide a modernized pre-positioned force capable of defeating modern armor. A project to install automatic 120 mm mortars was completed in 2003. [42]
The Earth Impact Database is a database of confirmed impact structures or craters on Earth. It was initiated in 1955 by the Dominion Observatory , Ottawa, under the direction of Carlyle S. Beals . Since 2001, it has been maintained as a not-for-profit source of information at the Planetary and Space Science Centre at the University of New ...