factor OT/BT (observer-target/battery-target factor)
коефіцієнт віддалення
коефіцієнт віддалення
observer-target / battery-target factor (factor OT/BT)
coefficient of the line component of the observer-target factor
forward observer (FO), forward observation officer; (artillery) observer / spotter
launching battery (missile battery)
battery coolant unit / battery-coolant unit (BCU)
Target, Trigger, Location, Observer, Delivery system, Attack guidance, and Communications (TTLODAC)
United Nations Aouzou Strip Observer Group (UNASOG)
United Nations Military Observer Group in India and Pakistan (UNMOGIP)
United Nations military observer mission
United Nations Observer Group in Central America (ONUCA)
United Nations Observer Mission in Angola (MONUA)
United Nations Observer Mission in Bougainville (UNOMB)
United Nations Observer Mission in El Salvador (UNOSAL / фр. ONUSAL)