Complex sentence: He duly embarked for Egypt with the 1st Echelon of the 2NZEF, In October 1940, he was appointed Officer in Charge of Administration of HQ 2 NZEF, controlling the various depots, administrative units and reinforcements for 2NZEF.
Split into simpler sentences: He duly embarked for Egypt with the 1st Echelon of the 2NZEF. In this role, he controlled the various depots, administrative units and reinforcements for 2NZEF.