 The research staff at Chertsey were joined by the Vehicles Branch of the Royal Electrical and Mechanical Engineers (REME) in 1972, which became the Vehicles and Weapons Branch in 1982, the Army Technical Support Agency (ATSA) in 1995, and finally the Defence Logistics Organisation (DLO) Chertsey from 2000 until 2005.The DLO and its predecessors were responsible for the support and testing of all British Army vehicles.During the 1980s, vehicle testing was carried out by a sub-contracted company who provided drivers to test a range of military vehicles ascertaining a range of requirements from their ability to move over rough terrain through to their tipping point.