Supply officer (Royal Navy) scheme (entering Britannia Royal Naval College (BRNC), Dartmouth, Devon, as a Cadet or Midshipman, under terms similar to those direct from civilian life) was open to those supply branch ratings under the age of about 25. Such ratings were called CW candidates, and they were specially reported on for selection to attend the Admiralty Interview Board before final selection for promotion and entry to BRNC. The second avenue of promotion from rating to commissioned officer was to the Special Duties (SD) List. Petty officers and chief petty officers could, with the approval of their commanding officer, become a CW candidate
Royal Australian Naval College, HMAS Creswell the Royal Australian Naval College (RANC), Australia's authority for the basic and leadership training of officers for service in the Royal Australian Navy. The main course run the RANC is the 22-week New Entry Officers' Course which provides initial entry training for most of the RAN's officers. The RANC also conducts the residential component of the Reserve Entry Officers' Course. Further training for officers such as the Junior Officers' Leadership Course and the Junior Officers' Management and Staff Course also take place at the RANC; and there is the one-week residential Undergraduate Entry Officers' Course that provides junior officers who