Complex sentence: In March 1916, Murray took command of both these forces, forming them into the new Egyptian Expeditionary Force (EEF), and reorganising the units for service in Europe, Egypt and elsewhere in the Middle East.
Split into simpler sentences: In March 1916, Murray took command of all these forces and formed them into the new Egyptian Expeditionary Force (EEF). British Empire forces in Egypt were reorganised for service in Europe and elsewhere in the Middle East.