Hidden cameras reveal a jaguar love triangle. Stream "Jaguar Beach" from Nature | PBS on the PBS app! | PBS

It wasn’t the biggest, the fastest, or the most armored—but the M4 Sherman was everywhere. Rolling across the battlefields of North Africa, thundering through the hedgerows of Normandy, and charging into the heart of Germany, the Sherman became the steel fist of the Allied advance in World War II. #ww2 #military | The War Rooms