 Four others returned to France where they helped to escort a pair of commerce raiders passing through the Channel in late 1941 and were part of the escort for a pair of battleships and a heavy cruiser through the Channel back to Germany in the Channel Dash in early 1942.Two boats were the first to be assigned to the Torpedo School in mid-year and they were followed by all the others over the rest of the year and 1943.A pair of boats were sent to France in mid-1942 and were part of the escort during an unsuccessful attempt to pass one of the earlier commerce raiders back through the Channel in October.