54 SA Infantry Battalion (54 SAI) [Afr: 54 SA lnfanteriebataljon (54 SAI)], better known as just 54 Battalion (54 Bn) [Afr: 54 Bataljon (54 Bn)], was formed as one of a few Modular Battalions in 1976. It was based at Eenhana in SWA with a core of Permanent Force officers and NCOs on 2- to 4-year tours, and National Servicemen in their second year of service. Sub-units were attached according to the varying requirements, and that’s why it was referred to as `modular’. 54 Battalion’s main responsibility was to secure the area around Eenhana