The dogs used by the Transportation Security Administration are trained at Lackland Air Force Base near San Antonio, Texas.

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Much about Cairo, and the Special Ops dogs, remains a mystery, as one former veterinary technician at Lackland Air Force Base in San Antonio, discovered a few years ago.

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By Sunday, it said in a statement, Air National Guard personnel from Texas, Delaware, West Virginia, Oklahoma and Tennessee had evacuated 247 patients from Beaumont, Texas, and taken them to Lackland Air Force Base in San Antonio.

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