Main tasks: to supervise, monitor, verify and report on cease-fire agreements, separations and withdrawals of forces, cessation of outside assistance; to monitor checkpoints, ingress/egress point and sea/airports; to monitor regrouping, cantonment and disarmament or demobilisation processes; to locate and confiscate caches of weapons; to liaise with factions, NGOs, UN agencies and neighbouring countries, assist humanitarian activities (POW exchanges, food distribution etc); in some cases UNMOs serve in a Military Observer Group (which consists of UNMOs and is commanded by a Chief Military Observer); in other cases they form part of a peace-keeping force.