. . . . . "RI15 - 15th Infantry Regiment" . . . . . . "Strong and Constant (Firmes e Constantes)" . . . . . . . . . "'''15th Infantry Regiment'''" . . . . . . . . . . . "15th Infantry Regiment (Portugal)" . "RI15" . "1641" . . . . . "15th Infantry Regiment" . . . . . "1\u00BABIPara" . . . . . . . "2/15th Infantry Regiment" . . . . "1/15th Infantry Regiment" . . . . . . . . "15th Infantry Regiment (Portugal)" .