While in Surabaya, during the Indonesian National Revolution Moestopo dealt with British expeditionary forces led by Brigadier Aubertin Walter Sothern Mallaby.
Sementara di Surabaya, selama Revolusi Nasional Indonesia Moestopo menghadapi pasukan ekspedisi Inggris yang dipimpin oleh Brigadir Walter Sothern Mallaby Aubertin.