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| No. 9 Operational Group RAAF | |
|---|---|
| Unit name | No. 9 Operational Group RAAF |
| Dates | 1943–1944 |
| Country | Australia |
| Branch | Royal Australian Air Force |
| Type | Air force |
| Role | Tactical air support |
| Size | Group |
| Garrison | Townsville |
| Notable commanders | Clive Caldwell, William Bostock |
No. 9 Operational Group RAAF was a Royal Australian Air Force formation established in 1943 to provide mobile air force support for Allied operations in the South West Pacific Area. Formed amid campaigns involving MacArthur, Douglas MacArthur, Admiral William Halsey Jr., and multinational forces, the group coordinated fighter, bomber, reconnaissance, and ground-attack squadrons during the New Guinea and Solomon Islands campaigns. It operated alongside formations such as No. 10 Operational Group RAAF, South West Pacific Area, United States Army Air Forces, Royal Navy, and United States Navy units.
No. 9 Operational Group RAAF was created in the context of reorganisation after the Battle of the Bismarck Sea and during planning for operations around Lae, Madang, and Bougainville. Its establishment followed directives from senior commanders including William Bostock and reflected coordination with Allied Air Forces (South West Pacific Area), South West Pacific Command, and liaison with United States Fifth Air Force. The group adopted organisational principles drawn from experiences at RAAF North-Eastern Area Command, RAAF North-Western Area Command, and lessons learned during the New Guinea campaign. The staff structure included operations, logistics, intelligence, and liaison sections interfacing with units such as No. 75 Squadron RAAF, No. 76 Squadron RAAF, and other Commonwealth and American squadrons.
No. 9 Operational Group RAAF participated in operations supporting amphibious and ground advances during the New Guinea campaign, including strikes during the advance on Lae and operations to isolate Rabaul. The group’s squadrons provided close air support for landings at Cape Gloucester, interdicted Japanese supply lines to Bougainville, and conducted escort operations for B-24 Liberator and B-17 Flying Fortress heavy bomber missions of the United States Army Air Forces. Coordination with Allied Works Council, United States Marine Corps, Australian Army, and naval forces under Admiral Thomas C. Kinkaid and Admiral William Halsey Jr. was vital during combined operations. Operational tempo reflected the strategic shift endorsed by Admiral Chester W. Nimitz and General Douglas MacArthur for the Southwest Pacific.
Units under the group included fighter and bomber squadrons drawn from established RAAF formations: No. 75 Squadron RAAF, No. 76 Squadron RAAF, No. 22 Squadron RAAF, No. 30 Squadron RAAF, No. 18 Squadron RAAF, and No. 77 Squadron RAAF rotated through its command alongside support units such as No. 2 Repair and Salvage Unit RAAF. Aircraft types commonly operated included the P-40 Kittyhawk, P-38 Lightning, Bristol Beaufort, Lockheed Hudson, B-24 Liberator, and CAC Boomerang. These squadrons coordinated with United States Navy carrier aircraft and Fleet Air Arm units including Fairey Barracuda and Supermarine Seafire detachments during joint operations.
Command was exercised by senior RAAF officers aligned with theater command; notable commanders associated with the group’s period of activity included Clive Caldwell and senior staff under William Bostock. Interaction with Allied leadership brought liaison with figures such as George Kenney of the United States Army Air Forces, naval commanders Thomas C. Kinkaid and William Halsey Jr., and army commanders engaged in the theater like Edwin L. Harding and Thomas Blamey.
The group’s bases and forward airstrips shifted with the operational advance from staging areas in Townsville, Milne Bay, and Port Moresby to forward fields at Lae, Nadzab, Goodenough Island, Kiriwina, and Bougainville. Operating across the Coral Sea and Solomon Islands campaign areas, the group supported sea control and interdiction across approaches to Rabaul and the Bismarck Archipelago. Logistics depended on staging through Henderson Field, Tontouta, and collaboration with USAAF engineering units and Royal Navy shore establishments.
As Allied strategy shifted toward Philippine campaign priorities and as No. 10 Operational Group RAAF and RAAF Home Command absorbed responsibilities, No. 9 Operational Group RAAF was disbanded or restructured in 1944. Its personnel, tactics, and lessons influenced postwar RAAF doctrine, including development of tactical air support procedures used in later conflicts and by institutions such as the RAAF College and Australian Defence Force. The group’s history is linked to broader narratives involving the South West Pacific Area, the evolution of Allied air power doctrine championed by leaders like George Kenney and William Bostock, and commemoration alongside campaigns at Lae-Nadzab and Bougainville.
Category:Royal Australian Air Force groups Category:World War II military units and formations of Australia