 Complete the following phrase:  During the Second World War the 128th Brigade was mobilised in September 1939, soon after the outbreak of war. The brigade continued to serve with the 43rd Division and was preparing to go overseas to the Franco-Belgian border to join the British Expeditionary Force BEF. The brigade was at the time commanded by Brigadier Frederick Browning, a Regular Army officer of the Grenadier Guards. However, the BEFs 