The Free Aceh Movement ( or simply GAM, , also known as the Acheh-Sumatra National Liberation Front (ASNLF), was a separatist group seeking independence for the Aceh region of Sumatra from Indonesia. GAM fought against Indonesian government forces in the Aceh Insurgency from 1976 to 2005, during which over 15,000 lives are believed to have been lost. The organisation surrendered its separatist intentions and dissolved its armed wing following 2005 peace agreement with the Indonesian Government. The Indonesian government called the group the Aceh Security Disturbance Movement.