internal affairs, personnel, logistics, and finance in support of the Army Headquarters. Central executive agencies The following agencies are called Badan Pelaksana Pusat, translated as Central Executive Agencies, and directly subordinated under the Army Headquarters. Agencies with affix Pusat (Centers), Akademi (Academies), and Sekolah (Schools or Colleges) are headed by two-star Major General, while agencies with affix Dinas (Services/Departments) and Direktorat (Directorates) are headed by a one-star Brigadier General. Exceptions are made for the Army Territorial Forces Center, Army Military Police Center, and Army Central Hospital as they are all headed by a three-star Lieutenant General. Centers Combat forces Infantry Forces Center () Cavalry Forces Center () Air Defense Artillery Forces Center () Field Artillery Forces Center () Combat and service support Army Territorial Forces Center () Army Military Police Center () Army Aviation Center () Army Medical Center () Army Combat Engineering Center () Army Signals Center (); Army Ordnance Center (); Army Logistics and Transportation Center (); Army Intelligence Center () Army Ciphering and Cyber Operations Center () Central Hospitals Gatot Soebroto Army Central Hospital () Academies and Schools Indonesian Military Academy () Army Command and General Staff College () Army Officer Candidate School () Directorates Army Adjutancy General Directorate (); Army Topography Directorate (); Army Military Justice Directorate (); and Army Finance Directorate (). Services Army Physical Fitness and Sport Service (); Army Mental Guidance and Chaplaincy Service () Army Psychology Service () Army Research and Development Service () Army Historical Heritage Service () Army Information and Data Processing Service () Army Public Relations Service () Army Worthiness Service () Army Procurement Service () Principal Commands under the Army Headquarters Army Strategic Reserve Command The Army Strategic Reserve Command (), better known by its abbreviation Kostrad is the Indonesian Army's strategic operational command. It is a corps-level command which has around 40,000 troops, organized into three divisions. It also supervises operational readiness among all commands and conducts defence and security operations at the strategic level in accordance with policies of the TNI commander. Green berets are worn by its personnel, and it is the main basic warfare combat unit of the Indonesian Army. While Kopassus is the elite-special forces of the Indonesian Army, Kostrad is still maintained as the first-line combat unit of the TNI below the Kopassus. Despite its nomenclature as reserve units, it is also used as main combat force, deployed for certain circumstances and