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Military decoration of the Republic of Indonesia, known as the Satyalancana Dwidya Sistha, or Military Instructor Service Medal, instituted in 1968 to recognize the loyalty, dedication and meritorious service of military and civilian personnel involved in education, instruction and training within the Indonesian Armed Forces (Tentara Nasional Indonesia, TNI).
The decoration is made of bronze and features a distinctive seven-sided, heptagonal shape. The upper section bears an ornamental scroll inscribed “DWIDYA SISTHA”.
The central emblem consists of an open book accompanied by a crossed rifle and sword, with a vertically positioned writing quill. These elements symbolize the combination of academic knowledge, military instruction and professional training within the armed forces.
The reverse features the Indonesian national emblem, the Garuda Pancasila, depicting an eagle with outstretched wings bearing the national shield. Below appears a scroll inscribed “Bhinneka Tunggal Ika”, meaning “Unity in Diversity”.
The medal is suspended from a ribbon with a broad yellow central stripe and two green side stripes, the distinctive colours of this decoration.
The Satyalancana Dwidya Sistha was established to recognize instructors and personnel engaged in military education, acknowledging their contribution to the technical, professional and disciplinary training of Indonesian Armed Forces personnel.
Unlike campaign medals, awarded for participation in military operations, this decoration recognizes service and merit in military teaching and training.
Indonesian Military Instructor Service Medal (Satyalancana Dwidya Sistha). Seven-sided bronze decoration featuring an open book, rifle, sword and writing quill. Reverse with the Garuda Pancasila national emblem. Yellow ribbon with green side stripes. Instituted in 1968.





