The rules that use the vocabulary item "forward area air defense ground based sensor" are:

<specific_vehicle_type-sing>

forward area air defense ground based sensor

<specific_vehicle_type-creatable-sing>

forward area air defense ground based sensor

<specific_vehicle_type-not_creatable-sing>

forward area air defense ground based sensor

<specific_vehicle_type-not_creatable>

forward area air defense ground based sensor