Mk 18 Mod 0 grenade launcher
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The Mk 18 Mod 0 was a 40x46mm grenade launcher used by the United States Navy during the Vietnam War and also the last known hand crank operated firearm since the Gatling gun. It was replaced by the M
Mk 18 Mod 0 grenade launchers (right and on tripod) at the War Remnants Museum in Ho Chi Minh City.
A Mk 18 grenade launcher (upper) and Mk 19 (lower) displayed at Hanoi Weaponry Museum
A Patrol Craft Fast crewman loads a Mk 18 Mod 0
Brown-water navy
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A brown-water navy or riverine navy, in the broadest sense, is a naval force capable of military operations in inland waters and nearshores. Brown-water navies have existed since the ancient era, sinc
Mk 18 Mod 0 grenade launcher
…on small boats or in fixed positions such as bunkers. The US Army mounted some on M151A1 Jeeps for patrols; their primary users were the so-called "river rats" and the SEALs. They could be mounted on M2HB, M60, M1919 tripods, or pintle mounts, but could not be fired without such a mount. Armored Troop Carrier…
A United States Navy Monitor, a brown-water navy vessel, firing napalm during the Vietnam War
Barroso, a Brazilian ironclad of the central casemate type, the first vessel to dash past the Fortress of Humaitá on the River Paraguay
The large landing craft NRP Alfange supplying the garrison of Bambadinca, Portuguese Guinea, in the early 1970s.
Swift Boat in Vietnam