13th Bombardment Group

13th Bombardment Group
United States Air Force · Public domain · source
Unit name	13th Bombardment Group
Caption	Emblem of the 13th Bombardment Group
Dates	1939–1946
Country	United States
Branch	United States Army Air Forces
Role	Bombardment
Size	Group
Command structure	Twentieth Air Force
Notable commanders	Curtis LeMay, Haywood S. Hansell Jr.

13th Bombardment Group was a United States Army Air Forces heavy bombardment formation active primarily during World War II. The group served under components of Strategic Air Forces, participating in long-range aerial campaigns against Imperial Japanese targets and supporting operations across the Pacific Theater of Operations. Its crews, airfields, and maintenance units intersected with major commands, strategic planners, and theater logistics during the 1940s.

History

The group was constituted amid pre-war expansion and mobilization associated with the Second World War mobilization and the Neutrality Acts era rearmament. Initial activation occurred during the broader buildup that included formations such as the 2d Bombardment Group, 7th Bombardment Group, and 19th Bombardment Group. Early cadre training involved coordination with Air Corps Tactical School doctrine and interaction with leaders like Henry H. Arnold and planners attached to War Department. As the Pacific conflict escalated after the Attack on Pearl Harbor, the group was reorganized for strategic bombardment missions under higher echelons including Twentieth Air Force and staff elements commanded or influenced by figures such as Curtis LeMay and Haywood S. Hansell Jr..

World War II Operations

During World War II the group executed operations in coordination with campaigns like the New Guinea campaign, Philippine campaign (1944–45), and long-range strikes associated with the Bombing of Japan. Missions were staged in concert with bases at nodes such as Guam, Tinian, and Saipan, linking to logistics networks routed through Henderson Field and staging points like Espiritu Santo. Tasking often derived from strategic directives issued by Joint Chiefs of Staff (United States) channels and theater commands including United States Pacific Fleet planners. Crews conducted daylight and nighttime missions against targets including industrial complexes, shipping in the South China Sea, and airfields supporting the Imperial Japanese Navy. The group’s sorties interfaced with operations by units such as the 9th Bombardment Group, 5th Bomber Command, and elements of Eighth Air Force when doctrine and training exchanges occurred stateside.

Organizational Structure

The group’s hierarchy mirrored USAF group organization with assigned bombardment squadrons, a headquarters echelon, maintenance squadrons, and support elements linked to base service units. Squadrons worked alongside entities like the Air Transport Command and Maintenance Command equivalents, exchanging personnel and logistics with units such as the 11th Bombardment Group and 41st Bombardment Group during rotation and reallocation. Command relationships included attachment to higher commands such as Twentieth Air Force and coordination with staff from Army Air Forces Training Command for replacement training unit pipelines. Leadership saw rotation among officers who later interacted with institutions like the United States Air Force Academy and the postwar Air Force Logistics Command through veterans’ careers.

Aircraft and Equipment

The group operated heavy bombers adapted for long-range strategic missions including aircraft types contemporaneous with heavy bombardment doctrine: examples of equipment in theater paralleled models such as the B-29 Superfortress, earlier operational transitions involving B-17 Flying Fortress elements in training, and maintenance practices consistent with Ordnance Department (United States Army) standards. Armament loads, navigation gear, and aerial photography equipment were procured through channels including the Aircraft Production Board and fielded by depot systems like War Production Board allocations. Ground support equipment and fuels were coordinated with logistics agencies such as Army Service Forces and depot repair facilities similar to Tinker Air Force Base predecessors.

Bases and Stations

The group’s stations encompassed continental United States training fields and forward Pacific bases. Stateside locations included training at fields aligned with Smyrna Army Airfield-era facilities and replacement training centers associated with Kirtland Field and Randolph Field networks. Forward deployments placed the group on islands such as Saipan, Tinian, and staging at Guam airfields where coordination with naval facilities like Naval Base Guam and harbor logistics at Apra Harbor were critical. Other transient stations included airfields in the Solomon Islands chain and support nodes in Australia used during preparations for major strikes.

Honors and Campaigns

The group earned campaign credits tied to major Pacific operations recognized in theater campaign lists such as Northern Solomon Islands campaign, Bismarck Archipelago campaign, and the concluding Iwo Jima campaign and Ryukyus campaign periods through participation in strategic raids and support sorties. Unit citations and awards issued to personnel intersected with decorations like the Distinguished Unit Citation (United States), individual awards including the Distinguished Flying Cross (United States), and campaign streamers authorized under United States Army Center of Military History guidelines. Postwar disposition followed demobilization patterns established by the National Defense Act adjustments and the transition to the independent United States Air Force in 1947.

Category:Bombardment groups of the United States Army Air Forces Category:Military units and formations established in 1939