Trained with the 1 Battalion of Instruction at Tarazona; 15 Brigade Base, Medical Unit from 11 November 1937; Mackenzie Papineau Battalion; Cabo from 1 March 1938; Served at Teruel through the Retreats from 1 January 1938 to 18 April 1938, Ebro from 18 April 1938 to 15 May 1938, and the Ebro Offensive from 25 July to 21 September 1938
Responsible of the Base at Morata de Tajuna in April 1937; Adjutant to the Chief of Staff of the 15 Brigade, spoke multiple languages; Dimitrov Battalion, requested transfer to the Abraham Lincoln Battalion, Chief Scout
13 Dombrowski Brigade, 52 Palafax Battalion, Taras Shevchenko Company, Commissar; Jakob Lompik writes in memoir that he was the machine gun company commissar
14 Army Corps; 129 Brigade, Petko Miletic anti-tank battery, Company Commissar; Attended political schools; 45 Division, Battalion Divisionario, Anti-Tanks, Chief of Group