Unit:
Mackenzie Papineau Battalion,Co. 1; Served at Fuentes de Ebro, Teruel; Retreats, Seguro de los Baños and Ebro Offensive; Stationed in Badalona; Cited for valor at Seguro de los Baños; Bill Beeching says in an interview with the Regina Leader-Post that "Costello" distinguished himself by cutting barbed wire while under heavy machine gun and fire and grenade bombardment, allowing the Republicans to advance