Before she became Queen Elizabeth II… she was a wartime mechanic. During World War II, Princess Elizabeth refused to leave Britain. At just 18, she joined the Auxiliary Territorial Service, becoming the first female royal to serve full-time in the military. She trained as a driver and mechanic—repairing engines and driving military trucks. As bombs fell on London, she lived under rationing, just like ordinary citizens. Her service wasn’t symbolic. It was earned. Decades later, she became the las