observer-target / battery-target factor (factor OT/BT)
коефіцієнт віддалення
коефіцієнт віддалення
factor OT/BT (observer-target/battery-target factor)
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)
United Nations Aouzou Strip Observer Group (UNASOG)
United Nations Disengagement Observer Force (UNDOF)
United Nations Iran-Iraq Military Observer Group (UNIIMOG)
United Nations Military Observer Group in India and Pakistan (UNMOGIP)
United Nations Observer Mission in Angola (MONUA)
United Nations Observer Mission in Bougainville (UNOMB)
United Nations Observer Mission in El Salvador (UNOSAL / фр. ONUSAL)
United Nations Observer Mission in Georgia (UNOMIG)
United Nations Observer Mission in Liberia (UNOMIL)
United Nations Observer Mission in Sierra Leone (UNOMSIL)
United Nations Observer Mission in South Africa (UNOMSA)
United Nations Observer Mission to Verify the Referendum in Eritrea (UNOVER)