Complex sentence: The rank of Officer Cadet is given to those who are studying at the Australian Defence Force Academy their rank is then changed to Staff Cadet upon entry to the Royal Military College, Duntroon where they become a part of the Corps of Staff Cadets.
Split into simpler sentences: The rank of Officer Cadet is given to those who are studying at the Australian Defence Force Academy. Their rank is then changed to Staff Cadet upon entry to the Royal Military College, Duntroon where they become a part of the Corps of Staff Cadets.