The Sri Lanka Army (Sinhala: ශ්‍රී ලංකා යුද්ධ හමුදාව Sri Lanka Yuddha Hamudawa) is the oldest and largest of the Sri Lanka Armed Forces and is the nation's army. Established as the Ceylon Army in 1949, it was renamed when Sri Lanka became a republic in 1972. In 2010, the Army had approximately 200,000 regular personnel, between 20,000–40,000 reserve personnel and 18,000 National Guardsmen and comprises 13 operational divisions, one air-mobile brigade, one commando brigade, one special forces brigade, one independent armored brigade, three mechanized infantry brigades and over 40 infantry brigades. From the 1980s to 2009 the army was engaged in the Sri Lankan Civil War.