Question: Before playing in the NFL, Alejandro Villanueva was a member of which elite rapid-deployment military formation of the United States Army?
Sentence (from "Army of Missouri"): After the war, Price, accompanied by his subordinate Brig. Gen. Jo Shelby and several members of his former command, relocated to Mexico where they unsuccessfully sought service with the Emperor Maximilian prior to returning to civilian life in the United States.
Relevant evidence: No