
Abwehr: German military intelligence agency that operated before and during WWII—until early 1944, when Hitler turned all Secret Service activities over to the SS
Feldwebel: Noncommissioned officer in the German Army; rank similar to a sergeant in the US Army
G-2: Intelligence staff in the US Army
Gefreiter: Soldier in the German Army; rank similar to a private in the US Army
Hauptmann: Officer in the German Army; rank similar to a captain in the US Army
Hauptsturmführer: Officer in the Gestapo; rank similar to a captain in the US Army
Milice: French police. Their main task was to find and arrest the French Resistance. They generally cooperated with the Gestapo
Oberleutnant: Officer in the German Army; rank similar to a first lieutenant in the US Army
Oberst: Officer in the German Army; rank similar to a colonel in the US Army
Obersturmführer: Officer in the Gestapo; rank similar to a first lieutenant in the US Army
OSS: Office of Strategic Services. US intelligence and sabotage agency that operated from June 1942–January 1946
RAF: Royal Air Force (British)
SHAEF: Supreme Headquarters, Allied Expeditionary Force. Headed by General Eisenhower, this group planned the Normandy invasion
SOE: Special Operations Executive. British intelligence and sabotage agency that operated from July 1940–January 1946
Standartenführer: Officer in the Gestapo; rank similar to a colonel in the US Army
Sturmmann: Stormtrooper in the Gestapo