The Military History collection is the most extensive collection of hundreds of hard-to-find military history programs, past, present and future. Witness savage fights. : Features the USN River Rats as they battled the enemy along the Mekong. In Vietnam, the special demands of guerilla warfare shaped another navy, the Small Boat Navy. Witness savage fights as the Small Boat Navy resists the Vietcong on their turf, the Mekong. Learn the history of this little known group of navy heroes as they do their part in the Vietnam War.