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
Defence College of Policing and Guarding Officers for the Royal Navy Police are drawn from the rating corps as senior upper yardmen and are commissioned following training at Britannia Royal Naval College or Commando Training Centre Royal Marines. In November 2016, a Defence Estate review by the Ministry of Defence gave an estimated disposal date of 2025 for Southwick Park. It is intended that the College will relocate to Worthy Down Barracks, Winchester, while other specialised functions will relocate to Aldershot. Defence College of Policing and Guarding The Defence College of Policing and Guarding is the training centre for the Service Police of the British Armed