Models of Air Force aircraft, like this B-1B Lancer, adorn the courtyards of management offices on Area B for the Fighters and Bombers Directorate, Air Force Life Cycle Management Center, Air Force Materiel Command, Wright-Patterson Air Force Base. TY GREENLEES / STAFF

Wright-Patt starts emergency exercises today

The exercise today through Friday may simulate active shooter scenarios, or chemical, biological, radiological, nuclear and explosive threats or other scenarios, base authorities reported.

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The public may at times see traffic back-ups at gate entrances or hear sirens and public address messages out of the sprawling military installation during the week, according to Wright-Patterson officials.

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The base typically schedules exercises each quarter to prepare and test employee responses to different scenarios and possible emergencies.