 Select cadets are also granted leave if needed to explore historic Yogyakarta, the home city of the AAU.Cadets are organized into the Cadet Wing with four groups of 3 -4 Cadet Squadrons each.Today the Cadet Groups are led by Cadet Flight Sergeants and Cadet Sergeant Majors, similar to US service academies, until 2000 these were staffed with military personnel in keeping with the former Dutch practice leading the 4th class cadets.