among units assigned directly to AAFTSC when it was established at Wright-Patterson Field on April 1, 1944. Air Technical Services Command Army Air Forces Technical Service Command was redesignated Air Technical Service Command (ATSC) on July 1, 1945. By 1945, 14 bases in the United States were home to Air Technical Service Commands: Newark, New Jersey; Fairfield, California; Miami, Florida; Middletown, Pennsylvania; Mobile, Alabama; Ogden, Utah; Oklahoma City, Oklahoma; Oakland, California; Rome, New York; Sacramento, California; San Antonio, Texas; San Bernardino, California; the Spokane Air Technical Service Command at Spokane Army Air Field, Washington State; and Warner Robins, Georgia. (e.g., Chico AAF transferred to ATSC on October 15, 1944). In 1945, planning began for a separate United States Air Force as an independent service, and in January 1946, General of the Army Eisenhower and Army Air Forces General Spaatz agreed on an Air Force organization of seven major commands, including the Air Technical Service Command. ATSC centers were also renamed, e.g., the Kelly Field Logistics Depot's San Antonio Air Technical Services Command became the San Antonio Air Materiel Area in 1946. Air Materiel Command In 1946 AAF Technical Service Command was redesignated Air Materiel Command, and the air technical service commands were reorganized as Air Materiel Areas: Marianas Air Materiel Area (Harmon Field, Guam)(active as Provisional formation by August 17, 1948; active February 1, 1949) Under the command of the 19th Bombardment Wing from August 1948 to October 1949. Middletown Air Materiel Area (Middletown, Pennsylvania) Mobile Air Materiel Area (Brookley Air Force Base, Mobile, Alabama) Ogden Air Materiel Area (Hill Field, Utah) Oklahoma City Air Materiel Area (Tinker Field, Oklahoma) Philippine Air Materiel Area (Nichols Field) Rome Air Materiel Area (Rome, New York) (February 1, 1943 – June 25, 1947) Sacramento Air Materiel Area (Sacramento, California) San Antonio Air Materiel Area (San Antonio, Texas) San Bernardino Air Materiel Area (1949–66), at Norton Field, California Warner Robins Air Materiel Area (1951–61) at Robins AFB and redesignated Warner Robins Air Logistics Center Two further Air Materiel Areas were established in the late 1940s and early 1950s: Japan Air Materiel Area (JAMA, 1947–1949), at Tachikawa Air Base, replaced by the Far East Air Materiel Command (FEAMCOM). Central Air Materiel Area, Europe (CAMAE, 1956–67), at Chateauroux Air Depot in France The functions of research and development and logistics were operated separately during World War II until they were reunited for several years in the