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  2. Hardened aircraft shelter - Wikipedia

    en.wikipedia.org/wiki/Hardened_aircraft_shelter

    Hardened aircraft shelter at RAF Bruggen, 1981 The HASs at RAF Upper Heyford in the United Kingdom are protected as scheduled monuments.. A hardened aircraft shelter (HAS) or protective aircraft shelter (PAS) is a reinforced hangar to house and protect military aircraft from enemy attack.

  3. List of former United States Army installations - Wikipedia

    en.wikipedia.org/wiki/List_of_former_United...

    U.S. Dept. of Defense Base Structure Report FY2007 This page was last edited on 24 October 2024, at 17:24 (UTC). Text is available under the Creative Commons ...

  4. Niagara Falls Air Force Missile Site - Wikipedia

    en.wikipedia.org/wiki/Niagara_Falls_Air_Force...

    The 35th Air Defense Missile Squadron (BOMARC) was constituted on 17 December 1959 and activated on 1 June 1960 in the Syracuse Air Defense Sector. It was transferred to the Detroit Air Defense Sector on 4 September 1963, the 34th Air Division on 1 April 1966, the 35th Air Division on 15 September 1969, and the 21st Air Division on 19 November 1969.

  5. Regelbau - Wikipedia

    en.wikipedia.org/wiki/Regelbau

    Examples of Regelbau designs that were used in the construction of the Neckar-Enz position. The Regelbau (German for "standard(ised) construction") were a series of standardised bunker designs built in large numbers by the Germans in the Siegfried Line (German: Westwall) and the Atlantic Wall as part of their defensive fortifications prior to and during the Second World War.

  6. Fortified tower - Wikipedia

    en.wikipedia.org/wiki/Fortified_tower

    As the gate is always a vulnerable point of a castle, towers may be built near it to strengthen the defences at this point. In crusader castles, there is often a gate tower, with the gate passage leading through the base of the tower itself. In European castles, it is more common to have flanking towers on either side of the gatehouse.

  7. British hardened field defences of World War II - Wikipedia

    en.wikipedia.org/wiki/British_hardened_field...

    Its purpose was to provide a number of basic but effective pillbox designs that could be constructed by soldiers and local labour at appropriate defensive locations. In the following June and July, FW3 issued six basic designs for rifle and light machine gun, designated Type 22 to Type 27.

  8. Arlington Heights Army Air Defense Site - Wikipedia

    en.wikipedia.org/wiki/Arlington_Heights_Army_Air...

    The Arlington Heights Army Air Defense Site was a Project Nike Missile Master site near Chicago, Illinois. It operated from 1960 until 1968. It operated from 1960 until 1968. Installation started in late 1959 [ 1 ] after the United States Army had purchased 44 acres (18 ha).

  9. Defensive fighting position - Wikipedia

    en.wikipedia.org/wiki/Defensive_fighting_position

    An Indian Wehrmacht volunteer in a Tobruk DFP along the Atlantic Wall, 1944. During the fighting in North Africa (1942–43), U.S. forces employed the shell scrape.This was a very shallow excavation allowing one soldier to lie horizontally while shielding his body from nearby shell bursts and small arms fire.