constant patrols to keep the insurgent groups off balance. However, the battalion was unable to create a working local police force, due to the overwhelming intimidation by insurgent groups.
batch were built, these trains were then to be found working local inner-suburban services between Luton - St. Albans - London - Sutton (Sutton, London) Wimbledon (Wimbledon, London). The exteriors were reliveried into the Thameslink navy blue bodyside with yellow and white stripes livery. They were renumbered into the subclass 319 4, in the range of 319421-319460, by adding four hundred to each unit number. The sub-class 319 4 units were then moved on to the Bedford