The was the civil administration government in the

Ryukyu Islands The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yona ...

, Japan (centered on Okinawa Island), replacing the

United States Military Government of the Ryukyu Islands The , also referred to as U.S. Ryukyu Islands, was the government in the Ryukyu Islands, Japan (centered on the Okinawa Island) from 1945 to 1950, whereupon it was replaced by the United States Civil Administration of the Ryukyu Islands (USCAR) ...

(itself created at the conclusion of

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

) in 1950, and functioning until the islands were returned to Japan in 1972.

History

The U.S. National Archives and Records Administration describes USCAR's history thus:

Following signing of the Instrument of Surrender, 2 September 1945,
Ryukyu Islands The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yona ...
were administered by Department of the Navy, 21 September 1945 – 30 June 1946, with Commanding Officer, Naval Operating Base, Okinawa functioning as chief military government officer under authority of Commander-in-Chief U.S. Pacific Fleet. Transfer of administration from Department of the Navy to War Department authorized by Joint Chiefs of Staff (JCS) approval, 1 April 1946, of JCS 819/11, 5 March 1946, with added proviso of JCS 819/12, 22 March 1946. Pursuant to implementing instructions of General Headquarters U.S. Army Forces in the Pacific (GHQ AFPAC), Okinawa Base Command redesignated Ryukyus Command, effective 1 July 1946, by General Order 162, Headquarters U.S. Army Forces, Western Pacific, and made responsible for administration under a Deputy Commander for Military Government. Ryukyu Islands administered successively by Ryukyus Command, 1 July – 30 November 1946; Philippines-Ryukyus Command, 1 December 1946 – 31 July 1948; and Ryukyuan Command, 1 August 1948 – 15 December 1950. USCAR established, effective 15 December 1950, by a directive of Headquarters Far East Command (HQ FEC, formerly GHQ AFPAC), AG 091.1 (5 December 1950) RCA, December 5, 1950, implementing a JCS memorandum, SM 2474-50, 11 October 1950, directing Commander-in-Chief Far East, Gen. Douglas MacArthur, to organize a civil administration for the Ryukyu Islands in accordance with JCS 1231/14, 4 October 1950. USCAR continued to function under Department of the Army (formerly War Department), 1950–71. Amami Island Group of Ryukyu Islands was returned to Japan by the Agreement between the United States of America and Japan concerning the
Amami Islands The The name ''Amami-guntō'' was standardized on February 15, 2010. Prior to that, another name, ''Amami shotō'' (奄美諸島), was also used. is an archipelago in the Satsunan Islands, which is part of the Ryukyu Islands, and is southwest of ...
, signed 24 December 1953, and made effective 25 December 1953. USCAR abolished following entrance into force, 15 May 1972, of the Agreement between the United States of America and Japan concerning the Ryukyu Islands and the Daito Islands, signed 17 June 1971, by which the remaining island groups of the Ryukyu Islands, including the Okinawa Island Group, were returned to Japan.

After the Battle of Okinawa in World War II, 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 ...

initially administered the Okinawa group while the other three groups came under Army control. On 18 July 1945, the Navy transferred control to U.S. Army Forces in the Pacific (AFPAC), but on 21 September assumed control again, organizing the

. Finally on 1 July 1946, the Army took control again, organising the Ryukyu Command from the previous Okinawa Base Command. On 1 January 1947, AFPAC was reorganised as Far East Command and a unified Ryukyu Command, including a military government apparatus, was placed under General Headquarters, Far East Command (GHQ FECOM), in Tokyo. In 1952, Japan signed the

Treaty of San Francisco The , also called the , re-established peaceful relations between Japan and the Allied Powers on behalf of the United Nations by ending the legal state of war and providing for redress for hostile actions up to and including World War II. It w ...

and admitted the control of Okinawa by the U.S. government. USCAR, which was a subordinate organization of the forces of the United States, surveilled the Ryukyuan Government and could overrule all the decisions made by the Ryukyuan Government. The official currency was the B yen from 1948 to 1958, when the B yen was abolished and the US dollar was brought into use. The government printed Ryukyuan postage stamps and passports. Cars drove on the right in contrast to the main islands of Japan. The island switched to driving on the left in 1978 to bring it in line with Japan.

Peace treaty specifications

Seal of High Commissioner of the Ryukyu Islands

Two important articles of the post-war peace treaty of 28 April 1952, are the following: ''Article 3:'' Japan will concur in any proposal of the United States to the United Nations to place under its trusteeship system, with the United States as the sole administering authority, Nansei Shoto south of 29 degrees north latitude (including the

and the Daitō Shoto), Nanpō Shoto south of Sofu Gan (including the

Bonin Islands The Bonin Islands, also known as the , are an archipelago of over 30 subtropical and tropical islands, some directly south of Tokyo, Japan and northwest of Guam. The name "Bonin Islands" comes from the Japanese word ''bunin'' (an archaic read ...

, Rosario Island and the Volcano Islands) and Parece Vela and

Marcus Island , also known as Marcus Island, is an isolated Japanese coral atoll in the northwestern Pacific Ocean, located some southeast of Tokyo and east of the closest Japanese island, South Iwo Jima of the Ogasawara Islands, and nearly on a straight l ...

. Pending the making of such a proposal and affirmative action thereon, the United States will have the right to exercise all and any powers of administration, legislation and jurisdiction over the territory and inhabitants of these islands, including their territorial waters. ''Article 4b:'' Japan recognizes the validity of dispositions of property of Japan and Japanese nationals made by or pursuant to directives of the United States Military Government in any of the areas referred to in Articles 2 and 3. After a formal agreement reached on 17 June 1971, control of Okinawa was given back to Japan on 15 May 1972, and USCAR was abolished. This completed the disposition of this Japanese property by USMG.

Government system

The post of was created in 1950 and replaced in 1957 by the until 1972.

Governors and High Commissioners

Flag

The Criminal Code of Ryukyu restricted the flying of any national flags except the flag of the United States. The protesters against the Ryukyu government flew the Hinomaru, the flag of Japan. Civil ships of Ryukyu flew an ensign derived from the

International maritime signal flag International maritime signal flags are various flags used to communicate with ships. The principal system of flags and associated codes is the International Code of Signals. Various navies have flag systems with additional flags and codes, and ...

for "D" instead of Japanese or American ensigns. The ensign changed to "Hinomaru below a triangular flag labeled "Ryukyus" and "琉球" (Japanese for "Ryukyu") in 1967.

References

{{DEFAULTSORT:United States Civil Administration of the Ryukyu Islands Government agencies established in 1950 Government agencies disestablished in 1972 Okinawa under United States occupation