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Weapons Storage and Security System
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<p>Weapons Storage and Security System (WS3) is a system including electronic controls and vaults built into the floors of <a href="/facts/Protective_Aircraft_Shelter/yckdkHhy">Protective Aircraft Shelters</a> (PAS) on several <a href="/facts/NATO/dCeTddMY">NATO</a> <a href="/facts/Military_airfield/bDV5KnUR">military airfields</a> all over the world. These vaults are used for safe special weapons storage, typically of tactical <a href="/facts/B61_nuclear_bomb/C2YTuKyy">B61 nuclear bombs</a>. Historically the system was also called within NATO the Weapon Security and Survivability System (WS3) or Weapons Survivability and Security System. </p>