 Before long, he was reassigned to Peterborough to join an SOE "Jedburgh" team.94 of these three-member teams, with one British or American officer, one French officer and a radio operator, were parachuted into France after D-Day, to assist the French Resistance with sabotage.Hallowes led his team, code-named "Jeremy", with French Lieutenant Henri Charles Giese and radio operator Sergeant Roger Leney.