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The 20th Operational Weather Squadron which provided forecasts for the Air Force and Army in Japan and South Korea, is now inactive following the transfer of its mission to Hickam Air Force Base, Hawaii on April 17, 2006.
An army or land force is a fighting force that fights primarily on land. In the broadest sense, it is the land-based military branch, service branch or armed service of a nation or state. It may also include aviation assets by possessing an army aviation component. In certain states, the term army refers to the entire armed forces. Within a national military force, the word army may also mean a field army.
Japan is an island country in East Asia. Located in the Pacific Ocean, it lies off the eastern coast of the Asian continent and stretches from the Sea of Okhotsk in the north to the East China Sea and the Philippine Sea in the south.
South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korean Peninsula and lying to the east of the Asian mainland. The name Korea is derived from Goguryeo which was one of the great powers in East Asia during its time, ruling most of the Korean Peninsula, Manchuria, parts of the Russian Far East and Inner Mongolia, under Gwanggaeto the Great. South Korea lies in the north temperate zone and has a predominantly mountainous terrain. It comprises an estimated 51.4 million residents distributed over 100,363 km2 (38,750 sq mi). Its capital and largest city is Seoul, with a population of around 10 million.
Until its inactivation in April 2006, the 20th Operational Weather Squadron was responsible for producing and disseminating mission planning and execution weather analyses, forecasts, and briefings for Air Force, Army, Navy, Marines, Guard, Reserve, USFK, PACOM, PACAF, USAPRAC, SOCPAC, and NAVPAC forces operating at 115 installations/sites over 5.2 million sq.mi. within the Pacific theater of operations.
A navy or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions. It includes anything conducted by surface ships, amphibious ships, submarines, and seaborne aviation, as well as ancillary support, communications, training, and other fields. The strategic offensive role of a navy is projection of force into areas beyond a country's shores. The strategic defensive purpose of a navy is to frustrate seaborne projection-of-force by enemies. The strategic task of the navy also may incorporate nuclear deterrence by use of submarine-launched ballistic missiles. Naval operations can be broadly divided between riverine and littoral applications, open-ocean applications, and something in between, although these distinctions are more about strategic scope than tactical or operational division.
This weather squadron was responsible for base or post forecasting, developing weather products, briefing transient aircrews, and weather warnings for all of their geographical units. Using automatic observing systems located at all military installations and communicating with their combat weather flights, the squadron was able to 'watch' the weather in their entire area of responsibility from one central location.
The Operational Weather Squadron was the first place a newly schooled weather apprentice would report. At the squadron, working alongside a seasoned weather professional, the forecaster was trained in all aspects of Air Force meteorology, from pilot briefing to tactical forecasting.
Meteorology is a branch of the atmospheric sciences which includes atmospheric chemistry and atmospheric physics, with a major focus on weather forecasting. The study of meteorology dates back millennia, though significant progress in meteorology did not occur until the 18th century. The 19th century saw modest progress in the field after weather observation networks were formed across broad regions. Prior attempts at prediction of weather depended on historical data. It was not until after the elucidation of the laws of physics and more particularly, the development of the computer, allowing for the automated solution of a great many equations that model the weather, in the latter half of the 20th century that significant breakthroughs in weather forecasting were achieved.
The weather squadron worked closely with the combat weather flights they support to ensure a flawless exchange of weather information.
20th Operational Weather Squadron’s manning consisted of active duty, reserve, civilian and contract personnel and was located on Yokota Air Base, Japan, Under the Fifth Air Force, Yokota Air Base, Japan.
Yokota Air Base, is a United States Air Force (USAF) and Japan Air Self-Defense Force (JASDF) base in the city of Fussa, one of 26 cities in the Tama Area, or Western Tokyo.
The Fifth Air Force is a numbered air force of the United States Air Force Pacific Air Forces (PACAF). It is headquartered at Yokota Air Base, Japan. It is the U.S. Air Force's oldest continuously serving Numbered Air Force. The organization has provided 70 years of continuous air power to the Pacific since its establishment in September 1941.
Activations and Inactivations of the 20th Weather Squadron, and 20th Operational Weather Squadron.
Constituted 20th Weather Squadron and activated on 15 Apr 1943
Disbanded on 31 Oct 1943
Reconstituted on 4 Nov 1944
Activated on 6 Dec 1944
Inactivated on 18 Feb 1957
Activated on 2 Mar 1964
Organized on 8 Jun 1964
Inactivated on 1 Sep 1976
Activated on 1 Jan 1985
Inactivated on 1 Jun 1992
Redesignated 20th Operational Weather Squadron on 13 Jul 2000
Activated on 1 Oct 2000
Inactivated on April 17, 2006
List of duty assignments and parent units from 1943 to present.
Cairo, Egypt, 9th Air Force, 15 April 1943 – 31 October 1943
Sorido Airdrome, Biak Island, Netherlands East Indies, Far East Air Forces Regional Control and Weather Group (provisional), 6 December 1944 – 9 May 1945 Fort William McKinley, Manila, Luzon, P.I., Far East Air Forces Regional Control and Weather Group, 9 May 1945 – 14 August 1945
Nichols Field, Luzon, P.I., Far East Air Forces Regional Control and Weather Group 14 August 1945 – 20 September 1945
Nichols Field, Luzon, P.I., 1st Weather Group later, 2100st Air weather Group, 20 September 1945 – 2 November 1945
Tokyo, Japan, 1st Weather Group (later, 2100st Air weather Group), 2 November 1945 – 22 May 1946
Yamato Building, Nagoya, 1st Weather Group (later, 2100st Air weather Group, 22 May 1946 – 23 October 1949
Yamato Building, Nagoya, 2143rd Air Weather Wing, 23 October 1949 – 8 February 1954
Yamato Building, Nagoya, 1st Weather Wing 8 February 1954 – c. August 1954
Sumitomo Building, Nagoya, 1st Weather Wing, c. August 1954 – c. April 1956
Nagoya Air Station (later Moriyama Air Station), Japan, 1st Weather Wing c. April 1956 – 18 February 1957
Fuchu Air Station, Japan, 1st Weather Wing, 8 June 1964 – 6 October 1974
Yokota Air Base, Japan, 1st Weather Wing, 6 October 1974 – 1 September 1976
Yokota Air Base, Japan, 1st Weather Wing, 1 January 1985 – 30 September 1991
Yokota Air Base, Japan, Pacific Air Forces, 30 September 1991 – 1 April 1992
Hickam Air Force Base, Hawaii, Pacific Air Forces, 1 April 1992 – 15 April 1992
Hickam Air Force Base, Hawaii, 15th Operations Group, 15 April 1992 – 1 June 1992Yokota Air Base, Japan, Fifth Air Force, 1 October 2000 – 17 April 2006Cairo is the capital of Egypt. The city's metropolitan area is one of the largest in Africa, the largest in the Middle East, and the 15th-largest in the world, and is associated with ancient Egypt, as the famous Giza pyramid complex and the ancient city of Memphis are located in its geographical area. Located near the Nile Delta, modern Cairo was founded in 969 CE by the Fatimid dynasty, but the land composing the present-day city was the site of ancient national capitals whose remnants remain visible in parts of Old Cairo. Cairo has long been a centre of the region's political and cultural life, and is titled "the city of a thousand minarets" for its preponderance of Islamic architecture. Cairo is considered a World City with a "Beta +" classification according to GaWC.
Egypt, officially the Arab Republic of Egypt, is a country spanning the northeast corner of Africa and southwest corner of Asia by a land bridge formed by the Sinai Peninsula. Egypt is a Mediterranean country bordered by the Gaza Strip and Israel to the northeast, the Gulf of Aqaba and the Red Sea to the east, Sudan to the south, and Libya to the west. Across the Gulf of Aqaba lies Jordan, across the Red Sea lies Saudi Arabia, and across the Mediterranean lie Greece, Turkey and Cyprus, although none share a land border with Egypt.
Manila, officially the City of Manila, is the capital of the Philippines. It is the most densely populated city proper in the world. It was the first chartered city by virtue of the Philippine Commission Act 183 on July 31, 1901 and gained autonomy with the passage of Republic Act No. 409 or the "Revised Charter of the City of Manila" on June 18, 1949.
Approved on 9 Oct 1986
Blue and yellow are the Air Force colors. Blue alludes to the sky, the primary theater of operations. Yellow refers to the sun and the excellence required of Air Force personnel. The weather satellite symbolizes the mission of the unit to provide support in the atmospheric sciences. The black and light blue background depicts night and day capability. The globe is from the emblem of the parent major command and further depicts global responsibilities. The two stars indicate the services, US Air Force and U.S. Army, that the unit supports by providing meteorological information.Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy. Most weather phenomena occur in the lowest level of the atmosphere, the troposphere, just below the stratosphere. Weather refers to day-to-day temperature and precipitation activity, whereas climate is the term for the averaging of atmospheric conditions over longer periods of time. When used without qualification, "weather" is generally understood to mean the weather of Earth.
The 20th Weather Squadron activated at Cairo, Egypt, on April 15, 1943, and was assigned to the Ninth Air Force, but was soon thereafter disbanded on October 31, 1943.
The Army Air Forces again activated the 20th on December 6, 1944, on Biak Island in what was then known as the Netherlands East Indies, today’s Indonesia. The 20th absorbed the resources and mission of the 5231st Weather Squadron (Provisional). The 20th was assigned to the Far East Air Forces Weather Group (Provisional) at that time.
In May 1945 the squadron moved its headquarters by from Biak Island to Fort William McKinley near Manila, Philippines. By the close of July 1945, the squadron had grown to more than 700 men and the headquarters was overseeing the work of 34 weather stations, many of which were in isolated locations.
The Army Air Forces Weather Service assumed control of all weather organizations on July 1, 1945, and organized the 20th under the 1st Weather Group on September 20, 1945. Due to congested quarters at Fort William McKinley, the 20th’s headquarters moved again in August 1945 to nearby Nichols Field. While headquartered in the Philippines, the 20th lost two men to combat action.
Following the capitulation of Japan, the 20th began its long association with Japan. The squadron moved its headquarters to Tokyo on November 2, 1945, and accompanied Headquarters, Fifth Air Force to Nagoya on May 22, 1946.
War demobilization caused the 20th to lose personnel rapidly. To accomplish its growing mission, the 20th hired local nationals, employed non-weather officers to oversee some weather stations, and began on the-job schools to cross-train enlisted men into weather career fields.
By late 1946, the 20th was operating weather stations in Japan, China, and Korea. The 20th relinquished control of the China stations in 1947 and the last Korean station was closed in 1949. The squadron came under the leadership of the 2143d Air Weather Wing in 1949.
Within three days of North Korean troops crossing into South Korea in June 1950, a detachment of the 20th Weather Squadron was airlifted to Daegu, Korea. The leadership of the 20th Weather Squadron was soon burdened by the growth of detachments both in Korea and Japan to support the war effort. By early November 1950, the 20th was overseeing 27 detachments, eight of which were in Korea, where, on average, one of these detachments relocated every five days. The Air Force activated the 30th Weather Squadron to oversee Korean operations, but the 20th remained deeply involved in the war effort.
The 20th was assigned to the newly activated 1st Weather Wing in 1954. The squadron was inactivated on February 18, 1957, but emerged anew at Fuchu Air Station, Japan, on June 8, 1964, where it remained until 1974 when it relocated to Yokota Air Base. Again, it was inactivated in 1976 as part of an Air Weather Service reorganization only to return at Yokota on January 1, 1985.
As part of the divestiture of Air Weather Service, the 20th was assigned to Pacific Air Forces in 1991. It relocated to Hickam Air Force Base, Hawaii, on April 1, 1992, and was inactivated on June 1. With the reengineering of the Air Force Weather Agency the 20th was redesignated an Operational Weather Squadron on July 13, 2000, and activated on October 1. It was assigned to Fifth Air Force and stationed again at Yokota Air Base, Japan.
The 20th Operational Weather Squadron became inactive on April 17, 2006 when its mission was transferred to the 17th Operational Weather Squadron at Hickam Field, Hawaii.
Service Streamers. World War II European-African-Middle Eastern Theater; Korean Service
Campaign Streamers. World War II Asiatic-Pacific Theater, New Guinea 1943-1944
Decorations. Air Force Outstanding Unit Award for periods: Mar 1956-Oct 1956; 2 Jul 1967-30 Jun 1969; 1 Jul 1970-30 Jun 1972; 1 Jul 1972-30 Jun 1973; 1 Jul 1974-30 Jun 1976; 1 Jul 1986-30 Jun 1988.
United States Air Forces Korea and USAFK redirect here.
The Thirteenth Air Force was a numbered air force of the United States Air Force Pacific Air Forces (PACAF). It was last headquartered at Hickam Air Force Base on the island of Oahu, Hawaii. 13 AF has never been stationed in the continental United States. It was one of the oldest continuously active numbered air forces in the United States Air Force.
The 1st Weather Group aligns weather operations with the Air Force warfighting initiative overseeing all six operational weather squadrons; the 15th OWS at Scott AFB, Ill.; the 17th OWS at Joint Base Pearl Harbor–Hickam, Hawaii; the 21st OWS at Kapaun Air Station, Germany; the 25th OWS at Davis-Monthan AFB, Ariz.; the 26th OWS at Barksdale AFB, La.; and the 28th OWS at Shaw AFB, SC. The 1st WXG is a subordinate of the 557th Weather Wing.
The 15th Operational Weather Squadron, based out of Scott Air Force Base, IL, is the largest Operational Weather Squadron in the Continental United States that does not have an overseas mission.
The 9th Operational Weather Squadron, based out of Shaw AFB, SC, was the Squadron responsible for weather prediction in the Southeastern United States. It was split from the 28th Operational Weather Squadron in 2006. The 9 OWS inactivated on 31 May 2008 and merged with the 26th Operational Weather Squadron located on Barksdale AFB, Louisiana.
The 25th Operational Weather Squadron, based out of Davis-Monthan AFB, AZ, is the Squadron responsible for the Western United States; the current states in the Area of Responsibility (AoR) are Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming.
The 26th Operational Weather Squadron (26OWS), based out of Barksdale Air Force Base, Louisiana, is the US Air Force meteorological squadron responsible for the Southeastern United States. The current states in the Area of Responsibility (AOR) include Kansas, Missouri, Oklahoma, Arkansas, Texas, Louisiana, Mississippi, Tennessee, Alabama, Georgia, Florida, and the Carolinas.
The 28th Operational Weather Squadron, is an operational weather squadron responsible for supporting USCENTCOM operations.
The 11th Operational Weather Squadron (11OWS) was an operational weather squadron of the United States Air Force. The squadron was based out of Elmendorf AFB, Alaska, and was responsible for forecasting Alaska’s weather and analyzing its climate.
The 17th Operational Weather Squadron is a unit of the military of the United States. Based at Hickam Air Force Base in Hawaii, it covers weather in largest geographical area in the world.
The 36th Airlift Squadron is an airlift squadron of the United States Air Force. It is part of the 374th Operations Group at Yokota Air Base, Japan.
The United States Air Force's 9th Combat Operations Squadron, previously known as the 9th Space Operations Squadron, is a Air Force Reserve Command space operations unit located at Vandenberg Air Force Base, California. The 9th augments the 614th Air and Space Operations Center in operating the Joint Space Operations Center, or JSpOC, performing combat operations, plans, strategy and intelligence assessments that enable the Commander, Joint Functional Component Command for Space to command and control space forces by providing worldwide space effects and theater support to combatant commanders.
The 475th Air Base Wing is an inactive United States Air Force unit. Its last duty station was at Yokota Air Base, Japan, where it was inactivated on 1 April 1992.
The 433d Weapons Squadron is a United States Air Force unit, assigned to the USAF Weapons School at Nellis AFB, Nevada.
The United States Air Force's 548th Intelligence, Surveillance and Reconnaissance Group is an intelligence unit located at Beale AFB, California.
The 403d Operations Group is the operational flying component of the United States Air Force Reserve 403d Wing. It is stationed at Keesler Air Force Base, Mississippi.
The 98th Air Refueling Squadron is an inactive United States Air Force unit. Its last assignment was with the 92d Operations Group at Fairchild Air Force Base, Washington, where it was inactivated on 1 July 1998.
The 681st Bombardment Squadron is an inactive United States Air Force unit. It was last assigned to the 70th Bombardment Wing. It was last stationed at Little Rock Air Force Base, Arkansas, and was inactivated on 25 June 1962.
The 55th Weather Reconnaissance Squadron is an inactive United States Air Force unit. It was last assigned to the 50th Operations Group at Schriever Air Force Base, Colorado, where it was inactivated on 16 July 2002.
The 7th Weather Squadron (7WS), based out of Wiesbaden, Germany, is an Army weather support squadron providing weather intelligence in the United States European Command (USEUCOM), the United States Africa Command (USAFRICOM), and abroad.