The military announced Friday that Jesse Thorsen violated Department of Defense policies when he appeared on stage at Paul's Jan. 3 rally. Soldiers can't participate in political events in uniform.
Thorsen praised Paul's plans to end foreign wars and asked his supporters to work to make Paul the next president.
Paul's aides have said the candidate invited Thorsen to the stage after he gave a television interview earlier that was cut off because of technical difficulties. The U.S. Army Reserve launched an investigation and distanced itself from his political views.
Thorsen, who is with a Des Moines-based unit, declined comment.