Kelly Air Force Base closed in the 1990 's , but San Antonio is still ringed by three Air Force installations as well as Brooke Army Medical Center and Fort Sam Houston , the Army 's largest base through World War II .
San Antonio /location/location/contains Brooke Army Medical Center
San Antonio /location/location/contains Fort Sam Houston
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San Antonio
LOCATION
Brooke Army Medical Center
ORGANIZATION
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San Antonio
LOCATION
Fort Sam Houston
PERSON
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