Roi-Namur ( ) is an island in the north part of the
Kwajalein Atoll
Kwajalein Atoll (; Marshallese: ) is part of the Republic of the Marshall Islands (RMI). The southernmost and largest island in the atoll is named Kwajalein Island, which its majority English-speaking residents (about 1,000 mostly U.S. civilia ...
in the
Marshall Islands
The Marshall Islands ( mh, Ṃajeḷ), officially the Republic of the Marshall Islands ( mh, Aolepān Aorōkin Ṃajeḷ),'' () is an independent island country and microstate near the Equator in the Pacific Ocean, slightly west of the Internati ...
. Today it is a major part of the
Ronald Reagan Ballistic Missile Defense Test Site
The Ronald Reagan Ballistic Missile Defense Test Site, commonly referred to as the Reagan Test Site (formerly Kwajalein Missile Range), is a missile test range in Marshall Islands (Pacific Ocean). It covers about and includes rocket launch s ...
, hosting several
radar
Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, w ...
systems used for tracking and characterizing missile
reentry
Atmospheric entry is the movement of an object from outer space into and through the gases of an atmosphere of a planet, dwarf planet, or natural satellite. There are two main types of atmospheric entry: ''uncontrolled entry'', such as the entr ...
vehicles (RV) and their
penetration aid
A penetration aid (or "penaid") is a device or tactic used to increase an intercontinental ballistic missile (ICBM) warhead's chances of penetrating a target's defenses.
These can consist of both ''physical devices'' carried within the ICBM (as p ...
s (penaids).
Etymology
The name of the new island is after the formerly separate islands Roi and Namur were joined by landfill. ''Roi'' is originally from
Marshallese ''Ruot'', while ''Namur'' is originally from Marshallese ''Nim̧ur''.
History
Germany annexed the Marshalls in 1885 but did not put government officials on the islands until 1906, leaving island affairs to a group of powerful German trading companies. Under the
Treaty of Versailles
The Treaty of Versailles (french: Traité de Versailles; german: Versailler Vertrag, ) was the most important of the peace treaties of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June ...
, Japan took over after
World War I
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
. They colonised the Marshalls extensively, developing and fortifying
large bases on many of the islands.
Roi-Namur was the target of the
U.S. 4th Marine Division in the
Battle of Kwajalein
The Battle of Kwajalein was fought as part of the Pacific campaign of World War II. It took place from 31 January – 3 February 1944, on Kwajalein Atoll in the Marshall Islands. Employing the hard-learned lessons of the Battle of Tarawa, the Un ...
, in February 1944. During the Japanese occupation, the two islands (Roi to the west (
Marshallese: , ) and Namur to the east (, )) were connected by a narrow neck of land and causeway. After the American occupation, US Navy
SeaBee
United States Naval Construction Battalions, better known as the Navy Seabees, form the U.S. Naval Construction Force (NCF). The Seabee nickname is a heterograph of the initial letters "CB" from the words "Construction Battalion". Depending upon ...
s filled the area between the islands by December 1944; the two now joined islands are presently called Roi-Namur with a total area of about one square mile.
Roi-Namur was selected by
DARPA
The Defense Advanced Research Projects Agency (DARPA) is a research and development agency of the United States Department of Defense responsible for the development of emerging technologies for use by the military.
Originally known as the Adv ...
as a host site for a series of radar experiments under the
Project Defender umbrella, and Project PRESS in particular. These experiments intended to use radar means to distinguish an enemy RV from its penaids though the examination of the size, shape and velocity of the objects, as well as examining the wake they left in the upper atmosphere. By building on Roi-Namur, they were able to use the test shots being used by the
US Army
The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...
's
Nike-X
Nike-X was an anti-ballistic missile (ABM) system designed in the 1960s by the United States Army to protect major cities in the United States from attacks by the Soviet Union's intercontinental ballistic missile (ICBM) fleet during the Cold War ...
program installed on
Kwajalein Island
Kwajalein Atoll (; Marshallese: ) is part of the Republic of the Marshall Islands (RMI). The southernmost and largest island in the atoll is named Kwajalein Island, which its majority English-speaking residents (about 1,000 mostly U.S. civilia ...
and
Meck Island
Meck Island ( mh, Meik, ) is part of the Kwajalein Atoll in the Ralik Chain in the Republic of the Marshall Islands, southwest of Honolulu, Hawaii.
Meck is part of the Ronald Reagan Ballistic Missile Defense Test Site, and a launch site for an ...
further to the south.
The island was flooded in March 2014 by a "massive wave" which swamped coastal roads.
Today
Roi-Namur is home to an about 120 American and Marshallese employees of the
Reagan Test Site
The Ronald Reagan Ballistic Missile Defense Test Site, commonly referred to as the Reagan Test Site (formerly Kwajalein Missile Range), is a missile test range in Marshall Islands (Pacific Ocean). It covers about and includes rocket launch s ...
.
The Roi side is the main housing area, with the retail and recreation facilities there. Activities on Roi-Namur range from a nine-hole
golf course
A golf course is the grounds on which the sport of golf is played. It consists of a series of holes, each consisting of a tee box, a fairway, the rough and other hazards, and a green with a cylindrical hole in the ground, known as a "cup". Th ...
, saltwater swimming pool, scuba club, movie theater, volleyball, and basketball court. Roi hosts the
Freeflight International Airport (Marshall Islands)
Dyess Army Airfield (, also known as Freeflight International Airport) is a military airfield on Roi-Namur, Kwajalein Atoll, Marshall Islands. It is owned by the United States Army. Approximately 60 U.S. personnel reside on the base, with an add ...
with one runway for small planes that commute from Kwajalein bringing additional workers. Additional Marshallese daytime workers come via ferry from the island of
Enniburr.
The Namur side is home to the ALCOR, ALTAIR, MMW and TRADEX radar tracking stations.
There is a small launch facility on Roi-Namur. Rockets launched here are usually sounding rockets that ascend beyond the atmosphere but have short ranges. There are crumbling remnants of Japanese blockhouses and pillboxes around Roi-Namur.
File:Wyspy Roi-Namur - mapa.PNG, Map of Roi-Namur during World War II. The causeway is roughly centered.
File:Tradex.jpg, ALTAIR radar
See also
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References
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Buildings and structures on the National Register of Historic Places in the Marshall Islands
Historic districts in the Marshall Islands
National Historic Landmarks in the Marshall Islands
Kwajalein Atoll
World War II on the National Register of Historic Places
1944 establishments in the Marshall Islands
Historic districts on the National Register of Historic Places in the Marshall Islands
Islands of the Marshall Islands