In 1743, he was joined by his younger brother, Edward, who had received a commission in the same regiment. That year the Wolfe brothers took part in an offensive launched by the British. Instead of moving southwards as expected, the British and their allies instead thrust eastwards into Southern Germany where they faced a large French army. The army came under the personal command of George II but in June he appeared to have made a catastrophic mistake which left the Allies trapped against the River Main and surrounded by enemy forces in "a mousetrap".