15 Border Guard Battalion was raised on 01 September 1967 at Peelkhana, Dhaka. This Battalion is proud to have participated in the War of Liberation, sacrifycing 45 lives for our beloved motherland. After the independence, Battalion was reorg under Dhaka Sector in 1973. there after, the Battalion was deploy at Netrakona in 1976. 15 Border Guard Battalion moved to Nildumur under Khulna Sector in 1982 and stayed there till 1985 before shifting to Dhaka. It fought the Counter Insurgency Operation (CIO) being deploy at Khagrachari and Zaminipara from 1988 to 1991. This Battalion then moved to Lalmonirhat under Rangpur Sector in 1991. Thereafter, it was shifted back to Dhaka in 1996 and stayed there almost for 5 years. This Battalion was in Phulbari under Dinajpur Sector from June 2001 to February 2008. After this Battalion took over the respect of Nuclear Killing Zone on 07 February 2008 from 40 Border Buard Battalion. Deploy at Chittagong Hill Tract, we are assign to perform dual respect that is to carry out Counter Insurgency Operation under BB Region (69 Infantry Brigade) and to guard our frontier with Myanmar under Chittagong Secector. At present this Battalion took over the Area of Responsibility of Lalmonirhat from 31 Border Guard Battalion on 14 March 2013 under Border Guard Bangladesh Rongpur Sector.