Far East Command ( United States ) Far East Command ( United States ) was a United States military command from 1947 until 1957 comprising United States Army Forces in the Far East , Far East Air Forces and Naval Forces Far East . Created January 1 , 1947 , abolished , with functions transferred to Pacific Command , effective July 1 , 1957 , pursuant to JCS 1259 / 378 . Major army commands under the FEC were the Eighth United States Army , the Ryukyus Command , and the Marianas - Bonin Command ( MARBO ) . MARBO was established under MacArthur ' s Far East Command in January 1947 as result a major reorganization of U . S . military forces in the Asia / Pacific region . The MARBO SSI was approved in August 8 , 1948 . In June 1950 GHQ , FEC , located in Tokyo , Japan , with main offices in the Dai Ichi Building , had Maj . Gen . Edward M . Almond as chief of staff and Maj . Gen . Doyle O . Hickey as deputy chief of staff . The major subordinate Army commands were Eighth Army , commanded by Lt . Gen . Walton H . Walker ; Headquarters and Service Group , GHQ , commanded by Maj . Gen . Walter L . Weible ; the Ryukyus Command ( RYCOM ) under Maj . Gen . Josef R . Sheetz ; and the Marianas - Bonins Command ( MARBO ) headed by Maj . Gen . Robert S . Beightler . In the Philippines , the Thirteenth Air Force controlled U . S . installations through PHILCOM ( AF ) , a small and rapidly diminishing headquarters commanded by Maj . Gen . Howard M . Turner , USAF Naval Forces , Far East , were commanded by Vice Adm . C . Turner Joy . Far East Air Forces came under Lt . Gen . George E . Stratemeyer . FEAF and NavFE headquarters were located in Tokyo in buildings separate from GHQ , FEC . The PHILRYCOM marriage of convenience did not last out 1948 , as the union was separated into a Philippine Command ( PHILCOM ) and a Ryukyus Command ( RYCOM ) on August 1 , 1948 ( SCAP , GHQ General Order Number 18 , July 9 , 1948 ) . XVI Corps was activated in April 1951 as the command reserve . Following signing of the Japanese Instrument of Surrender , September 2 , 1945 , Ryukyu Islands were administered by Department of the Navy , September 21 , 1945 - June 30 , 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 , April 1 , 1946 , of JCS 819 / 11 , March 5 , 1946 , with added proviso of JCS 819 / 12 , March 22 , 1946 . Pursuant to implementing instructions of General Headquarters U . S . Army Forces in the Pacific ( GHQ AFPAC ) , Okinawa Base Command redesignated Ryukyus Command , effective July 1 , 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 , July 1 - November 30 , 1946 ; Philippines - Ryukyus Command , December 1 , 1946 – July 31 , 1948 ; and Ryukyuan Command , August 1 , 1948 – December 15 , 1950 . USCAR established , effective December 15 , 1950 , by a directive of Headquarters Far East Command ( HQ FEC , formerly GHQ AFPAC ) , AG 091 . 1 ( 5 Dec 50 ) RCA , December 5 , 1950 , implementing a JCS memorandum , SM 2474 - 50 , October 11 , 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 , October 4 , 1950 . USCAR continued to function under Department of the Army ( formerly War Department ) , 1950 - 71 .