The Australian troops defended the Libyan port of Tobruk during Rommel's siege; New Zealanders fought the length of North Africa and Italy.
Free French forces fought in North Africa and Italy, and played a significant part in the liberation of France.
The Chindits proved it was possible to live in the jungle for months at a time and that Western troops could defeat the Japanese.
The Royal Navy fought a long campaign against the German U-boats and surface ships in the Atlantic; the Royal Navy's Pacific Fleet helped win victory over Japan.
Polish fighter pilots played a significant role during the Battle of Britain; Polish ground forces helped liberate Western Europe.
In autumn 1944, the Japanese introduced the suicide attack aircraft, which caused severe casualties to Allied shipping in the Pacific.
Norwegian resistance fighters helped the British contain and destroy Germany's warships, and ensure that the Allies won the race to develop the atomic bomb.
The Commandos began as a raiding force, then spearheaded the Allied amphibious landings in North Africa, Sicily, Italy and Normandy.
The Special Operations Executive, or SOE, was formed to assist resistance movements in countries occupied by Nazi Germany.
The Royal Air Force Fighter Command prevailed in its battle against the German Luftwaffe.
The men of the British Armored Division got their nickname Desert Rats during the campaign against the Axis forces under Erwin Rommel.
The Waffen-SS became a formidable fighting force during World War II, known for its tenacity in combat and for its brutality.
The Special Air Service specialized in operations behind enemy lines in Italy, the Greek Islands and northwest Europe.