Tamiya 1/35 U.S. NAVY PBR31 MKII PIBBER 35150Knowing that patrolling coastal and river waterways during a conflict in Vietnam was going to be extremely hazardous, the U. S. Navy searched for a boat design that could be quickly produced and employed. One chosen was a fiberglass hulled pleasure craft built by Modutec Marine in Seattle Washington. The Patrol Boat, River or PBR as it was known militarily, became one of the most successful weapons systems used in Southeast Asia. It was 31" 11" long ;