abstract
| - The Swift Boat was conceived in a Naval Advisory Group, Military Assistance Command Vietnam (NAVADGRP MACV) staff study titled "Naval Craft Requirements in a Counter Insurgency Environment," published 1 February 1965. It noted that "COIN water operations are difficult, demanding, and unique. A prevalent belief has been that COIN craft can readily be obtained from existing commercial and naval sources when needed. Unfortunately, no concerted effort has been made to develop COIN craft specifically suited to perform the many missions needed to combat insurgent activities." The study went on to list characteristics of the ideal patrol craft:
* Reliable and sturdy
* Non-wooden hull, with screw and rudder protection against groundings
* Self-sufficient for 400 to 500 mile (600 to 800 km) patrol
* Speed of 20 to 25 knots (37 to 46 km/h)
* Small high-resolution radar range 4 to 6 miles (7 to 11 km)
* Reliable long-range communications equipment, compatible with Army and Air Force
* Quiet
* Armament for limited offense
* Sparse berthing, no messing
* Depth meter, accurate from 0 to 50 feet (15 m)
* Small, powerful searchlight The study was positively received, and the Navy began to search for sources. Sewart Seacraft of Berwick, Louisiana, built water taxis for companies operating oil rigs in the Gulf of Mexico, which appeared nearly ideal. The Navy bought their plans, and asked Sewart Seacraft to prepare modified drawings that included a gun tub, ammo lockers, bunks, and a small galley. The Navy used those enhanced plans to request bids from other boat builders, but Sewart Seacraft was selected.
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