sentences:  The first prototype was completed in 1965 and production started in 1969 and 1,030 were built, mostly for the export market.The UR-416 series is no longer being marketed and has been replaced by the TM 170, also now no longer being marketed.The UR-416 has been designed primarily for internal security operations but can also be used for a wide variety of other roles such as command and communications, reconnaissance and field workshop.