 Complete the following phrase:  The 2nd Battalion was a Regular Army unit that was based in Northern Ireland at the outbreak of war. The battalion, under the command of Lieutet Colonel Manley Angell James, were joined with the 4th and 5th Battalions of the regiment in the 133rd Royal Sussex Infantry Brigade as part of the 44th Home Counties Infantry Division. The 4th Royal Sussex Regiment was then commanded by Lieutet Colonel Lashmer Whistler. The 2nd Battalion was sent to France in April 1940, to join the British Expeditionary Force BEF, taking part in the Battle of France and the subsequent 