Complex sentence: In February 1941, following the division's deployment to the Middle East, the 20th and 26th Brigades were transferred to the 9th Division and in exchange the division received the 18th and 25th Brigades.
Split into simpler sentences: In February 1941, following the division's deployment to the Middle East, further changes in the division's composition occurred. The 20th and 26th Brigades were transferred to the 9th Division and in exchange the division received the 18th and 25th Brigades.