Constituted as 307th Bombardment Group (Heavy) on 28 Jan 1942. Activated on 15 Apr 1942. Trained and flew patrols off the west coast, first in B-17's and later in B-24's. Moved to Hawaii, Oct-Nov 1942, and assigned to Seventh AF. Trained and flew patrol and search missions. Attacked Wake Island, Dec 1942-Jan 1943, by staging through Midway. Moved to Guadalcanal in Feb 1943 and assigned to Thirteenth AF. Served in combat, primarily in the South and Southwest Pacific, until the war ended. Attacked Japanese airfields, installations, and shipping in the Solomons and Bismarcks. Helped to neutralize enemy bases on Yap and in the Truk and Palau Islands. Received a DUC for an unescorted, daylight attack on heavily defended airfields in the Truk Islands on 29 Mar 1944. Supported operations in the Philippines by striking Japanese shipping in the southern Philippines and by bombing airfields on Leyte, Luzon, Negros, Ceram, and Halmahera. Also took part in Allied air operations against the Netherlands Indies by hitting airfields, shipping, and installations. Received a DUC for an unescorted mission against vital oil refineries at Balikpapan, Borneo, on 3 Oct 1944. Supported Australian forces on Borneo and bombed targets in French Indochina during the last three months of the war. Flew patrol missions along the Asiatic mainland and ferried liberated prisoners from Okinawa to Manila after V-J Day. Returned to the US, Dec 1945-Jan 1946. Inactivated on 18 Jan 1946.
Redesignated 307th Bombardment Group (Very Heavy). Activated on 4 Aug 1946. Assigned to Strategic Air Command. Equipped with B-29's. Trained and developed antisubmarine tactics. Redesignated 307th Bombardment Group (Medium) in May 1948. Based temporarily on Okinawa and attached to Far East Air Forces for operations during the Korean War. Attacked strategic objectives in North Korea, Aug-Sep 1950. After that, struck interdictory targets, including communications and supply centers, and supported UN ground forces by hitting gun emplacements and troop concentrations. Inactivated on 16 Jun 1952.
Squadrons. 370th: 1942-1946; 1946-1952. 371st: 1942-1946; 1946-1952. 372d: 1942-1945; 1946-1952. 424th: 1942-1945.
Stations. Geiger Field, Wash, 15 Apr 1942; Ephrata, Wash, 28 May 1942; Sioux City AAB, Iowa, 30 Sep-20 Oct 1942; Hickam Field, TH, 1 Nov 1942; Guadalcanal, Feb 1943; New Georgia, 28 Jan 1944; Los Negros, c. 29 Apr 1944; Wakde, 24 Aug 1944; Morotai, c. 18 Oct 1944; Clark Field, Luzon, Sep-Dec 1945; Camp Stoneman, Calif, 16-18 Jan 1946. MacDill Field, Fla, 4 Aug 1946-16 Jun 1952.
Commanders. Capt Bill Jarvis, 1 May 1942; Col William A Matheny, 22 May 1942; Col Oliver S Picher, 19 Aug 1943; Col Glen R Birchard, 27 Oct 1943; Col Robert F Burnham, 28 Mar 1944; Col Clifford H Rees, Nov 1944-unkn. Col Richard T King Jr, 4 Aug 1946; Lt Col Clyde G Gillespie, 25 Aug 1946; Lt Col Frank L Davis, Sep 1946; Col John G Eriksen, 13 Jan 1947; Col Clifford Heflin, 12 Aug 1947; Lt Col John P Proctor, 15 Feb 1950; Col John A Hilger, 13 Mar 1950; Col John M Reynolds, Mar 1951; Col William H Hanson, Aug 1951; Col John C Jennison Jr, 14 Feb 1952; Col Raymond L Winn, May-16 Jun 1952.
Campaigns. World War II: Central Pacific; Guadalcanal; New Guinea; Northern Solomons; Eastern Mandates; Bismarck Archipelago; Western Pacific; Leyte; Luzon; Southern Philippines; China Offensive. Korean War: UN Defensive; UN Offensive; CCF Intervention; 1st UN Counteroffensive; CCF Spring Offensive; UN Summer-Fall Offensive; Second Korean Winter; Korea Summer-Fall, 1952.
Decorations. Distinguished Unit Citations: Truk, 29 Mar 1944; Borneo, 3 Oct 1944. Philippine Presidential Unit Citation. Republic of Korea Presidential Unit Citation: [Aug] 1950-[Jun 1952].
Insigne. Shield: Azure, a four-petalled dogwood bloom slipped or. (Approved 21 Dec 1942.)
Data from Air Force Combat Units of World War II By Maurer, Maurer, Published 1986
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