Britannia Royal Naval College at Sandquay, currently the former "Sandown" class minehunter , continues to bear the name "Hindostan". Cadets originally joined the Royal Naval College, Osborne, at the age of 13 for two years' study and work before joining Dartmouth. They studied there for four years there before starting sea training at age 17. RNC Osborne closed in 1923. The entry age for the Naval College was changed to 16 in 1948, and to 17 and 6 months in 1955. Until 1941, Dartmouth was in effect a specialised boarding school, with parents paying fees for tuition and board. During the Second World War,
Royal Air Force College Cranwell a roughly circular grass area ("The Orange") toward the parade ground. The building has been used for RAF officer training since HRH the Prince of Wales (later Edward VIII) officially opened it in October 1934. In 1987 the building was given Grade II listed status. The College is the RAF equivalent of the Royal Navy's Britannia Royal Naval College and the British Army's Royal Military Academy Sandhurst. At present, most RAF officer cadets complete a 24-week course within the College's Officer and Aircrew Cadet Training Unit (OACTU), Within OACTU the officer cadets undertake transformational leadership tuition, academic air power studies