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Contact the AFOSI or the Base Defense Operations Centers (BDOC) at the 24-hour phone numbers provided below. If you have an emergency, please dial 911. • JBSA – Fort Sam Houston OSI: 210-295-0594; BDOC: 210-221-2244 • JBSA – Lackland OSI: 210-671-9465; BDOC: 210-671-2018 • JBSA – Randolph OSI: 210-652-1400; BDOC: 210-652-5700