 Complete the following phrase:  The following month, the 9th Division was sent forward into the Western Desert to relieve the 6th Division following their victories at Bardia and Tobruk. The 6th Division was to be sent to Greece where a German invasion was expected, and so the 20th Brigade and took over from the 17th around Marsa Brega in Cyrenaica. A further move was undertaken to Er Regima, where the brigade was tasked with holding approaches around the Benghazi Plain. After 