[[Image:703MUNSS061108.jpg|thumb|right|General [[Roger A. Brady|Roger Brady]] being shown a dummy nuclear weapon in a Weapon Storage Security System at [[Volkel Air Base]]]]
'''Weapon Storage and Security System (WS3)''' is a system including electronic controls and vaults built into the floors of [[Hardened Aircraft SheltersShelter|Protective Aircraft Shelters]] (PAS) on several [[United States]] and [[NATO]] [[military airfield]]s all over the world. These vaults are used for safe special weapons storage, typically of tactical [[B61 nuclear bomb]]s. Historically the system was in NATO also called the '''Weapon Security and Survivability System (WS3)'''<ref name=Nuclear-Matters>{{citation|url=http://www.acq.osd.mil/ncbdp/nm/nmbook/appendices/ap_C.htm|title=Nuclear Matters: A Practical Guide - Appendix C|author=Office of the Deputy Assistant to the Secretary of Defense for Nuclear Matters|date=2008 edition|publisher=Department of Defense|accessdate=2009-05-23}}</ref><ref name=chronology>{{citation|url=http://www.acq.osd.mil/ncbdp/nm/nuclearchronology5.html|title=Nuclear Chronology|author=Deputy Assistant to the Secretary of Defense, Nuclear Matters|publisher=Department of Defense|accessdate=2008-06-11}}</ref> or '''Weapons Survivability and Security System'''.<ref>{{citation|url=http://hansard.millbanksystems.com/written_answers/1988/jun/07/weapons-storage-and-security|title=Weapons Storage and Security|publisher=Hansard|date=7 June 1988|id=HC Deb vol 134 c547W|accessdate=2009-08-07}}</ref>
