Repair and maintenance services. Provide first and second line maintenance personnel capable of replacing the RAF Trade Group 4 (TG4) personnel supporting the three T101 radars in the FaIklands and the T102 radar at RRH Portreath. The radars and Air Battlespace Management (ABM) equipment must be maintained to the level and standard currently provided by military technicians. Additionally, all associated tasks currently carried out by TG4 personnel must be provided as a service by the contractor.