|417th Bombardment Group|
|Branch||United States Army Air Forces|
|Engagements||South West Pacific Theater of World War II|
|Decorations||Distinguished Unit Citation
Philippine Republic Presidential Unit Citation
|417th Bombardment Group Insigne (unofficial)|
During World War II, the group operated in the Southwest Pacific Theater as a light bombardment unit during the New Guinea and Philippines campaigns. It was awarded both the Distinguished Unit Citation and the Philippine Presidential Unit Citation for its combat service.
Training in the United States
The 417th Bombardment Group was activated in the spring of 1943 at Will Rogers Field, Oklahoma with the 672d, 673d, 674th, and 675th Bombardment Squadrons assigned. The group drew its initial cadre from the 46th and 416th Bombardment Groups. Once assigned, the 417th's key personnel travelled to Orlando Army Air Base in mid-April where they received combat training from the Army Air Forces School of Applied Tactics.
The first Douglas A-20 Havocs arrived to equip the group in mid-May along with some DB-7 export models of the Havoc. Initial training of the group was conducted by the 46th Bombardment Group, the Operational Training Unit at Will Rogers Field. The group then moved to DeRidder Army Air Base, Louisiana for advanced training. From August to September the 417th operated with the II Tactical Air Division giving low level support to ground units on maneuvers. Once training was completed The 417th departed the San Francisco Port of Embarkation by ship on New Year's Day 1944.
Combat in the Southwest Pacific
The group arrived in New Guinea in late January 1944, where it became part of Fifth Air Force. It began combat in March, operating in support of ground forces on New Guinea and striking airfields, bridges, personnel concentrations, installations, and shipping in the area. The group participated with other Fifth Air Force units in attacks on shipping and enemy airstrips near Hollandia on 16 April that resulted in the destruction of 298 enemy planes.
Most sorties were flown at low level, since Japanese flak was not very intense. During these low level bombing operations, it was found that there was little need for a bombardier. Consequently, the bombardier was often replaced by additional forward-firing machine guns mounted in a faired-over nose. The A-20's heavy firepower, maneuverability, speed and bombload made it an appropriate weapon for pinpoint strikes against aircraft, hangars, and supply dumps. In formation, their heavy forward firepower could defeat shipboard anti-aircraft defenses and at low level the A-20s could skip their bombs into the sides of transports and destroyers with deadly effect. Some A-20s had their heavy forward-firing armament supplemented by clusters of three Bazooka-type rocket tubes underneath each wing. These tubes each held an M8, T-30 4.5-inch (110 mm) spin-stabilized rocket. These rocket launcher tubes turned out to be heavy and complicated, and were generally more trouble than they were worth and were not often used.
The unit operated from Noemfoor from September to December 1944, attacking airfields and installations on Ceram, Halmahera, and western New Guinea. Noemfoor operations included attacks on oil installations. The 417th moved to the Philippines in December 1944 at the end of the New Guinea campaign. The group's ground crews left Noemfoor by ship while the aircrew flew to the Philippines once the advance party had prepared McGuire Field for use in late December. While en route, the convoy transporting the ground echelon endured two Japanese air attacks.
The group received a Distinguished Unit Citation for attacking Japanese convoys at Lingayen between 30 December 1944 and 2 January 1945, an action that not only impaired enemy shipping and supply strength, but also helped to clear the way for the American invasion of Luzon. Unfortunately, during the 2 January attack, the group commander, Lt. Col. Howard S. Ellmore, was lost to enemy fire. During these attacks the group sank 36,000 tons of shipping including a freighter, a destroyer escort and several transports.
Until June 1945 the 417th supported ground forces and continued to attack enemy airfields, transportation, and installations on Luzon, Cebu, Negros, and Mindanao. The group flew its last missions in July, dropping propaganda leaflets to Japanese troops on Luzon. After the Philippines were secured, the group turned its attention to Japanese targets on Formosa in early 1945. It moved to Okinawa in August 1945 and to Itami Air Base, Japan in November, where it was inactivated on 15 November 1945.
- Constituted as the 417th Bombardment Group (Light) on 23 March 1943
- Activated on 28 March 1943
- Inactivated on 15 November 1945
- III Air Support Command, 28 March 1943
- 56th Bombardment Training Wing, 10 April 1943 – 10 December 1943 (attached to II Tactical Air Division, August 1943 - September 1943)
- V Bomber Command, 28 January 1944 – 1 November 1945 (attached to 309th Bombardment Wing, 25 August 1944 - 6 December 1944; 310th Bombardment Wing, 9 January 1945 - 1 November 1945)
- 672d Bombardment Squadron: 23 March 1943 – 15 November 1945
- 673d Bombardment Squadron: 23 March 1943 – 15 November 1945
- 674th Bombardment Squadron: 23 March 1943 – 15 November 1945
- 675th Bombardment Squadron: 23 March 1943 – 15 November 1945
- Douglas A-20 Havoc, 1943–1945
Awards and Campaigns
|Distinguished Unit Citation||30 December 1944-2 January 1945||Philippine Islands|
|Philippine Republic Presidential Unit Citation||17 October 1944-4 July 1945|||
|New Guinea||28 January 1944 – 31 December 1944|||
|Leyte||17 October 1944 – 1 July 1945|||
|Luzon||15 December 1944 – 4 July 1945|||
|Southern Philippines||27 February 1945 – 4 July 1945|||
- Maurer, Maurer, ed. (1982) . Combat Squadrons of the Air Force, World War II (PDF) (reprint ed.). Washington, DC: Office of Air Force History. pp. 700–701. ISBN 0-405-12194-6. LCCN 70605402. OCLC 72556.
- Maurer, Combat Squadrons, p. 701
- Maurer, Combat Squadrons, pp. 701-702
- Maurer, Combat Squadrons, p. 702
- Maurer, Maurer, ed. (1983) . Air Force Combat Units of World War II (PDF) (reprint ed.). Washington, DC: Office of Air Force History. pp. 300–301. ISBN 0-912799-02-1. LCCN 61060979.
- Green, Eugene L.; Keane, Paul A., Callanan, Lewis E.. (1946). The Sky Lancer: The 417th Bomb Group. Bangor Public Library World War Regimental Histories No. 75. Sydney, NSW, Australia: John Sands Pty., Ltd. p. 18. Retrieved September 28, 2013.
- Green, et al, p. 19
- Green, et al, p. 21
- Green, et al., p. 26
- Green, et al., p. 23
- Green, et al., p. 24
- Green, et al., p. 27
- Green, et al, p. 20
- Green, Eugene L.; Keane, Paul A., Callanan, Lewis E.. (1946). The Sky Lancer: The 417th Bomb Group. Bangor Public Library World War Regimental Histories No. 75. Sydney, NSW, Australia: John Sands Pty., Ltd. Retrieved September 28, 2013.
- Maurer, Maurer, ed. (1983) . Air Force Combat Units of World War II (PDF) (reprint ed.). Washington, DC: Office of Air Force History. ISBN 0-912799-02-1. LCCN 61060979.
- Maurer, Maurer, ed. (1982) . Combat Squadrons of the Air Force, World War II (PDF) (reprint ed.). Washington, DC: Office of Air Force History. ISBN 0-405-12194-6. LCCN 70605402. OCLC 72556.
- Rogers, Brian, United States Air Force Unit Designations Since 1978. Hinkley, UK: Midland Publications, 2006. ISBN 1-85780-197-0.
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