Shortly after the outbreak of
World War II, Potts received a request from then Major-General
Andrew McNaughton to accept demotion and take over the
Saskatoon Light Infantry. Potts accepted and took the unit to Europe in December 1939. In July 1940, he was promoted to
brigadier and took over the command of the
2nd Canadian Infantry Brigade. He led the brigade in
Operation Gauntlet, the commando raid at
Spitsbergen In May 1942, he became General Officer Commanding
6th Infantry Division with the rank of major-general. That appointment took him from the United Kingdom to the Pacific shores in
British Columbia. In 1943 he was appointed commander of
Military District 2 in
Toronto. He stayed there till the end of the war. ==Later life==