Patrol Boat, River & Swift Boats (documentary)- Vietnam War - YouTube
The Water Cannon, and Zippo Boats of the Brownwater Navy in Vietnam
Zippo
File:US riverboat using napalm in Vietnam.jpg - Wikimedia Commons
A "Zippo" Monitor of Task Force 117 uses it's dual flamethrowers to reduce possible enemy ambush sites along the riverbank of a small waterway in the Mekong Delta on May 3, 1968.[1716x1349] :