Pbr Mark Ii
The Patrol Boat, River vessels were manufactured during the Vietnam War for the purpose of patrolling and securing river areas in the conflict zone. This particular ship aided in training operations that prepared soldiers for the conditions they would face on rivers in Vietnam. During the Gulf War in the early 1990s, this boat secured the Concord Naval Weapons Station in California. It is now located at the Mare Island Historic Park Foundation's 50,000-square-foot artifacts museum.