USS ''Knox'' (DE/FF-1052) was the

lead ship The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable to naval ships and large civilian vessels. Large ships are very complex and may ...

of her class of

destroyer escort Destroyer escort (DE) was the United States Navy mid-20th-century classification for a warship designed with the endurance necessary to escort mid-ocean convoys of merchant marine ships. Development of the destroyer escort was promoted by th ...

s in the

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

. ''Knox'' was named for

Commodore Commodore may refer to: Ranks * Commodore (rank), a naval rank ** Commodore (Royal Navy), in the United Kingdom ** Commodore (United States) ** Commodore (Canada) ** Commodore (Finland) ** Commodore (Germany) or ''Kommodore'' * Air commodore, a ...

Dudley Wright Knox Commodore Dudley Wright Knox (21 June 1877 – 11 June 1960) was an officer in the United States Navy during the Spanish–American War and World War I. He was also a prominent naval historian, who for many years oversaw the Navy Department's his ...

, and was the second US Navy ship named ''Knox''. In 1975, she was redesignated a

frigate A frigate () is a type of warship. In different eras, the roles and capabilities of ships classified as frigates have varied somewhat. The name frigate in the 17th to early 18th centuries was given to any full-rigged ship built for speed and ...

. She served from 1969 to 1992, and was sunk as a target in 2007.

Design and description

The ''Knox''-class design was derived from the modified to extend range and without a long-range missile system. The ships had an

overall length The overall length (OAL) of an ammunition cartridge is a measurement from the base of the brass shell casing to the tip of the bullet, seated into the brass casing. Cartridge overall length, or "COL", is important to safe functioning of reloads i ...

of , a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

of and a

draft Draft, The Draft, or Draught may refer to: Watercraft dimensions * Draft (hull), the distance from waterline to keel of a vessel * Draft (sail), degree of curvature in a sail * Air draft, distance from waterline to the highest point on a vessel ...

of . They displaced at full load. Their crew consisted of 16 officers and 211 enlisted men. The ships were equipped with one Westinghouse geared

steam turbine A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884. Fabrication of a modern steam turbin ...

that drove the single

propeller shaft A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a component for transmitting mechanical power and torque and rotation, usually used to connect ...

. The turbine was designed to produce , using steam provided by two C-E

boiler A boiler is a closed vessel in which fluid (generally water) is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, including water heating, central h ...

s, to reach the designed speed of . The ''Knox'' class had a range of at a speed of . The ''Knox''-class ships were armed with a single /54 caliber Mark 42 gun. They mounted an eight-round

ASROC The RUR-5 ASROC (for "Anti-Submarine Rocket") is an all-weather, all sea-conditions anti-submarine missile system. Developed by the United States Navy in the 1950s, it was deployed in the 1960s, updated in the 1990s, and eventually installed ...

launcher between the 5-inch gun and the

bridge A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...

. Close-range anti-submarine defense was provided by two twin Mk 32 torpedo tubes. The ships were equipped with a torpedo-carrying

DASH The dash is a punctuation mark consisting of a long horizontal line. It is similar in appearance to the hyphen but is longer and sometimes higher from the baseline. The most common versions are the endash , generally longer than the hyphen b ...

drone helicopter; its telescoping hangar and landing pad were positioned

amidships This glossary of nautical terms is an alphabetical listing of terms and expressions connected with ships, shipping, seamanship and navigation on water (mostly though not necessarily on the sea). Some remain current, while many date from the 17th t ...

aft of the mack. Beginning in the 1970s, the DASH was replaced by a

SH-2 Seasprite The Kaman SH-2 Seasprite is a ship-based helicopter originally developed and produced by American manufacturer Kaman Aircraft Corporation. It has been typically used as a compact and fast-moving rotorcraft for utility and anti-submarine warfar ...

LAMPS I helicopter and the hangar and landing deck were accordingly enlarged. Most ships had an eight-cell BPDMS missile launcher added in the early 1970s.

Construction

She was laid down 5 October 1965, by

Todd Pacific Shipyards Vigor Shipyards is the current entity operating the former Todd Shipyards after its acquisition in 2011. Todd Shipyards was founded in 1916, which owned and operated shipyards on the West Coast of the United States, East Coast of the United St ...

Seattle Seattle ( ) is a seaport city on the West Coast of the United States. It is the seat of King County, Washington. With a 2020 population of 737,015, it is the largest city in both the state of Washington and the Pacific Northwest regio ...

, Washington; launched 19 November 1966; sponsored by Mrs. Peter A. Sturtevant, the granddaughter of Commodore Knox; and was commissioned on 12 April 1969, with

Commander Commander (commonly abbreviated as Cmdr.) is a common naval officer rank. Commander is also used as a rank or title in other formal organizations, including several police forces. In several countries this naval rank is termed frigate captain. ...

William A. Lamm in command.

Service history

''Knox'' performed search and rescue operations and provided evacuation, blockade, and surveillance support, when necessary, for the Pacific Fleet. In April 1975, ''Knox'' participated in

Operation Eagle Pull Operation Eagle Pull was the United States military evacuation by air of Phnom Penh, Cambodia, on 12 April 1975. At the beginning of April 1975, Phnom Penh, one of the last remaining strongholds of the Khmer Republic, was surrounded by the Khmer ...

, the evacuation of

Phnom Penh Phnom Penh (; km, ភ្នំពេញ, ) is the capital and most populous city of Cambodia. It has been the national capital since the French protectorate of Cambodia and has grown to become the nation's primate city and its economic, indus ...

, Cambodia. ''Knox'' was redesignated a

on 30 June 1975 as FF-1052.

Disposition

Decommissioned on 14 February 1992, ''Knox'' was stricken from the

Naval Vessel Register The ''Naval Vessel Register'' (NVR) is the official inventory of ships and service craft in custody of or titled by the United States Navy. It contains information on ships and service craft that make up the official inventory of the Navy from t ...

on 11 January 1995.

NAVSEA The Naval Sea Systems Command (NAVSEA) is the largest of the United States Navy's five "systems commands," or materiel (not to be confused with "material") organizations. From a physical perspective, NAVSEA has four shipyards for shipbuilding, c ...

temporarily placed ''Knox'' on the donation hold list but removed her from the list around 2003. ''Knox'' was sunk as a target off

Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic cent ...

, during "

Exercise Valiant Shield Exercise Valiant Shield is one of the largest United States military war games held in the Pacific Ocean. Nine Valiant Shield exercises were conducted between 2006 and 2022. According to the Navy, Valiant Shield focuses on cooperation between m ...

" (2007) on 7 August 2007.

Awards, citations and campaign ribbons

Gallery

File:USS Knox (DE-1052) underway in 1969.jpg, ''Knox'' in 1969. File:USS Chicago (CG-11) prepares to tow USS Knox (DE-1052) on 4 March 1971.png, passes tow line to ''Knox'' after ''Knox'' was disabled by a

JP-5 Jet fuel or aviation turbine fuel (ATF, also abbreviated avtur) is a type of aviation fuel designed for use in aircraft powered by gas-turbine engines. It is colorless to straw-colored in appearance. The most commonly used fuels for commercial av ...

fire in engineering spaces on 4 March 1971, while en route from Guam to

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...

In Popular Culture

''Knox'' appears in the original

Hawaii Five-O (1968 TV series) ''Hawaii Five-O'' is an American police procedural drama series produced by CBS Productions and created by Leonard Freeman. Set in Hawaii, the show originally aired for 12 seasons on CBS from September 20, 1968, to April 8, 1980, and continues ...

season 8 episode Murder: Eyes Only.

Notes

References

* * * * * *

External links

USS ''Knox'' (DE/FF-1052) Reunion Association
*
hazegray.org: USS ''Knox''
{{DEFAULTSORT:Knox Ships built in Seattle Knox-class frigates Cold War frigates and destroyer escorts of the United States 1966 ships Ships sunk as targets Shipwrecks in the Pacific Ocean