May 1940In his first decision as Prime Minister, Winston Churchill despatches a combined unit of Irish and Welsh Guards on two daring missions just one week apart. The success of the first Harpoon Force mission to the Low Countries is well documented. The second results in the Battle of Boulogne, where fifteen of the group are killed and one hundred and seventy-four captured. The rest of the battalion escapes an advancing panzer division and air attack...