In the 19th C. San Antonio was a training site for the African-American Cavalry Soldiers given this animal name
... One 
particularly famous spot where volunteers were gathered was in San Antonio, 
Texas, ... Before training began, Lieutenant Colonel Roosevelt used his political 
influence... [DOC] [TLE] Topic: Life of a Soldier in the 19th Century - National Park Service [PAR] The Life of a Soldier in the 19th Century 1.