Aviano AB

(LIPA)
There are 49 Protective Aircraft Shelters on the base, 35 of which are large (37.5x23 meters) and the rest small (31.5x17 meters). Eighteen of the shelters are equipped with WS3 Vaults for nuclear weapons storage with a maximum capacity of 72. The vaults were completed in 1996. Prior to that, nuclear weapons were stored in the underground Weapons Storage Area.
The base stores 50 B61 nuclear bombs for delivery by U.S. F-16C/D aircraft of the 31st Fighter Wing’s 510th and 555th fighter squadrons.
see: U.S. Nuclear Weapons in Europe. A review of post-Cold War policy, force levels, and war planning.

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