. . . . . . . . . . . . . . "The 1st Brigade Combat Team, 1st Cavalry Division (the Iron Horse Brigade) was constituted 29 August 1917 in the United States Army as Headquarters, 1st Cavalry Brigade. The brigade was organized as part of the 15th Cavalry Division in February 1917 at Fort Sam Houston, Texas."@en . . "STAFF FILM REPORT 66-19A"@en . . "The 1st Brigade Combat Team, 1st Cavalry Division (the Iron Horse Brigade) was constituted 29 August 1917 in the United States Army as Headquarters, 1st Cavalry Brigade. The brigade was organized as part of the 15th Cavalry Division in February 1917 at Fort Sam Houston, Texas."@en . . . . "United States"@en . . . . . . . . . . "February 1917 \u2013 Present"@en . "1st Brigade Combat Team, 1st Cavalry Division (United States)"@en . . "1"^^ . . "United States of America"@en . . . . . "Iron Horse"@en . "gov.dod.dimoc.26968"@en . .