mathematics

USNS Twin Falls

USNS Twin Falls is a mathematics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand USNS Twin Falls rather than just read about it. In short: SS Twin Falls Victory, named after Twin Falls, Idaho, was a Victory ship built for World War II. Converted to a Missile Range Instrumentation Ship, she was initially operated by the United States Air Force as USAF Twin Falls Victory, before coming under United States Navy control and being named USNS Twin Falls (T-AGM-11/T-AGS-37).

Key takeaways

USNS Twin Falls belongs to mathematics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect USNS Twin Falls to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of USNS Twin Falls from memory before moving on to harder problems.

Reference excerpt

SS Twin Falls Victory, named after Twin Falls, Idaho, was a Victory ship built for World War II. Converted to a Missile Range Instrumentation Ship, she was initially operated by the United States Air Force as USAF Twin Falls Victory, before coming under United States Navy control and being named USNS Twin Falls (T-AGM-11/T-AGS-37). She later had a third career as the training ship SS John W. Brown II.

History Twin Falls Victory was laid down under a United States Maritime Commission contract (MCV hull 167) on 27 December 1944 at Portland, Oregon, by the Oregon Shipbuilding Corporation; launched on 6 February 1945; sponsored by Mrs. J. B. Pfietor. The ship was delivered on completion 4 April 1945 to the War Shipping Administration (WSA) for operation by McCormick Steamship Company under a general agency agreement. On 24 June 1946 the Isthmian Steamship began operating the ship under a bareboat charter that continued under the United States Maritime Commission (MC), successor to WSA, until brief operation by General Steamship Corporation between 8 November and layup in the Suisun Bay Reserve Fleet on 18 November 1948. The ship was briefly activated, operated by various companies under agreements and bareboat charters, placed in reserve fleets at Mobile, Alabama and in the Hudson River. From 1950 to 1953, Twin Falls Victory was operated by States Marine Corporation. Between 1953 and 1958 American Export Lines operated the ship.

Korean War During the Korean War she participated in the Inchon Landings and Hungnam Evacuation, making her merchant marine crew eligible for the Korean Service Medal and the United Nations Service Medal. On 25 February 1958 the ship was laid up with the National Defense Reserve Fleet at its berthing area on the James River in Virginia.

Missile range instrumentation ship Twin Falls Victory, then in the James River reserve fleet, was permanently transferred from the MC to the United States Air Force on 24 March 1960. She was converted in Mobile, Alabama and instrumented to be a missile range instrumentation ship supporting the U.S. Army's Pershing Missile Project and served as part of the Eastern Test Range. The ship was modified by equipping it with special navigation systems, AN/FPS-16 monopulse missile tracking radar, telemetry receiving equipment, AN/SPN-8 splash detection radar, AN/GMD-1A Rawinsonde tracking equipment and a balloon hangar, to house a Kytoon tethered blimp and as a weather balloon inflation shelter. The ship eventually was delivered to the Atlantic Missile Range and operated by merchant marine crewmen and contractor technical staff. Pan American World Airways and its subcontractor RCA MTP operated the radar, telemetry, navigation and weather instrumentation aboard the ship. The ship was operated under the name USAF Twin Falls Victory until turned over to MSTS on 1 July 1964 at which time the ship was redesignated T-AGM-11 Twin Falls and continued to serve as a mobile tracking platform for recording data on missiles and satellites that were out of range of land-based tracking stations. On 15 May 1963, she was positioned approximately 350 miles (560 km) ESE of Savannah, Georgia (near 31°03′N 75°00′W) as part of Project Mercury, to track Gordon Cooper's extended MA-9 mission. In August 1964 the USNS Twin Falls sailed from Port Canaveral, FL. After a short stop at Ascension Island the Twin Falls sailed to Cape Town, South Africa, en route to the Indian Ocean to track a scheduled missile launch Plans were in place to resupply in Perth, Australia, but due to missile launch schedule changes, she sailed to Port Louis, Mauritius instead. After leaving Mauritius, the Twin Falls sailed to Port Elizabeth, South Africa, arriving there in Dec 1964. In early Jan 1965 the ship was again anchored at Ascension Island. Her next port-of-call was Trinidad and the next 6 months were spent in the Caribbean Sea area with Trinidad as her home port. In October 1969, the Air Force determined that Twin Falls was no longer necessary to its mission. Placed in custody of the Maritime Administration (MARAD) on 22 May 1970, she was slated for disposal. On 26 April 1971, the Navy recalled her for "possible use as a survey ship". Presumably this was when she was redesignated T-AGS-37. On 2 November 1972 the ship was transferred on loan to the New York City and she was struck from the Naval Vessel Register on 6 November 1972.

Training ship On 30 November 1972 the ship was transferred to the New York City Board of Education. Renamed SS John W. Brown II, she served as a training facility for that city's Food and Maritime Trade High School. She was returned to MARAD on 8 June 1982.

Fate Twin Falls was withdrawn from MARAD on 30 June 1982 by Union Minerals & Alloys Corporation. She was scrapped in 1983. Her builders plate is on loan from MARAD to Twin Falls County, Idaho, and is on display in the Twin Falls County Courthouse.

See also Missile Range Instrumentation Ship List of ships of the United States Air Force

References This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.

External links Photo gallery of USNS Twin Falls at NavSource Naval History

Illustrations

Worked examples

Example 1 — a first encounter with USNS Twin Falls

Start with the simplest possible case. Write down what USNS Twin Falls claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to USNS Twin Falls before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about USNS Twin Falls ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of USNS Twin Falls

In research: USNS Twin Falls appears in mathematics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses USNS Twin Falls in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: USNS Twin Falls is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1945 ships, Cold War auxiliary ships of the United States, IMO numbers, so understanding it makes those chapters shorter.
In everyday life: Look for USNS Twin Falls outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study USNS Twin Falls in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what USNS Twin Falls means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain USNS Twin Falls out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is USNS Twin Falls in simple terms?

Why does USNS Twin Falls matter?

Because it connects several mathematics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study USNS Twin Falls?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on USNS Twin Falls.