An unspecified "security incident" at U.S. Naval Air Station Sigonella in Italy prompted a shelter-in-place order for several hours.

A major U.S. Navy air base in Europe was locked down and personnel ordered to shelter-in-place for several hours on Wednesday ...

Personnel working at the Naval Air Station Sigonella in Sicily were instructed to take shelter where they were. View on ...

Naval Air Station Sigonella, located in Sicily, Italy, was ordered to take precautionary measures because of an “ongoing situation” at the base’s entry.

A U.S. naval base in Italy was placed on lockdown on Wednesday due to an "ongoing situation" at an entry control point, officials said.

An Air Force base in Italy was placed on lockdown on Wednesday morning "due to an ongoing situation" at one of its entry ...

Naval Air Station Sigonella was locked down “due to an ongoing situation,” according to initial posts on the base's official Facebook page.

Naval Air Station Sigonella in Italy was under lockdown due to an unspecified incident at its gate. The lockdown, lasting several hours, concluded without injuries. US Navy officials thanked security ...

ROME — A U.S. air base in Italy went on lockdown Wednesday for several hours over an unspecified incident.

ROME — A U.S. air base in Italy went on lockdown Wednesday over an unspecified incident. Online posts described Naval Air Station Sigonella as being locked down “due to an ongoing situation.” ...

A military hub for US Navy operations in the Mediterranean is on lockdown due to an ‘ongoing situation’ this morning. More ...

Operated by both the U.S. Navy and the Italian Air Force, NAS Sigonella serves as a major logistics hub for U.S. and NATO ...