 More generally, the combat engineer's goals involve facilitating movement and support of friendly forces while impeding that of the enemy.Disaster Management and EOD Wing train the Security personnel as explosive ordnance disposal (EOD) technicians, who are specially trained to deal with the construction, deployment, disarmament and disposal of explosive munitions and may include other types of ordnance such as nuclear, biological and chemical weapons along with improvised explosive devices (IED).Disaster management branch deals with the mitigation and management of Disasters that may include floods, earthquakes, landslides etc.