Unit designations of the United States Army Air Force and United States Air Force

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The US Army Air Forces, in addition to its combat units and flying units, also had non-flying units and organizations which used several types of designations during the period of the AAF (June, 1941 into September, 1947).

In addition, the AAF restructed its domestic and continential structure during early Spring 1944, this resulted in a base unit structure. This restructuring resulted from a February 1944 Army Air Forces Headquarters order that units at each installation to be consolidated into Army Air Forces base units.[1]


The base unit structure in turn was replaced by base Wing structure in which commanders' controlled both facilities and organizations. This arrangement soon lead to the Wing structure used today by the USAF that eleminated the Group level.

BASE UNITS

Base unit (BU) numbering in 1944 -1945 World War II era followed a structure based on the AAF Organization. This structure included allocations for HQ AAF; the continential numbered air forces; the major commands; and other non-flying organizations. Because the Air Transport Command (ATC) had overseas bases. the ATC structure includes designations for world wide base units, outside the continential USA in addition to domestic bases.

In the base unit numbering, the number of digits and the leading numerials had structural significance. Thus a two digit number reflected certain types of organizations; and similarly, three and four digit numbers represented other organizational structures.

BASE UNIT NUMBERING

Headquarters and certain direct reporting organizations use two digit numbers.

The continential, numbered Air Forces used three digit numbers from 100 through the 400 range with the leading digit indicating the numbered Air Force. Thus First Air Force bases' units were in the 100 series range, and so forth for 200 -400. Other organization also used three digit numbers of 500 and beyond.

Certain commands, schools, and specialized organizations and centers used the four digit numbers and again, the lead digit signified the parent organization or geographic region.

The Air Depot system bases were numbered systematically also in the base unit structure.

Other Examples

BU 326 Mac Dill AAB, FL (3 AF)

Cold War unit designations[edit]

Most AAFBUs were inactivated before the 1947 USAF was established, but some were redesignated Air Force base units (AF BU), e.g., base operating units on 26 September 1947 such as Brooks' 306th, Barksdale's 2621st, and Williams' 3010th. Although many base units were smaller than squadrons, some AF BUs included squadrons, e.g., the E and R Squadrons of Bolling's 4 AF BU,[2] and Sq R (Bergstrom) and Sq M (Offutt) of the 130 AF BU. New AF BU unit designations were established as late as 16 May 1948 (Williams' 775 AF BU), and the 496 Finance Disbursing Unit at Kelly was designated on 19 February 1951. Nearly all "unit" designation were obsolete c. 1 May 1952 when MacDill's "2156 Air Rscu Unit" was inactivated.

References[edit]

  1. ^ Craven, Wesley Frank; Cate, James Lea (1955). The Army Air Forces in World War II, Volume Four: The Pacific, Guadalcanal to Saipan, August 1942 to July 1944. DIANE Publishing. p. 75. ISBN 978-1-4289-1589-3. 
  2. ^ Mueller, Robert (1989). Air Force Bases (PDF) (Report). Volume I: Active Air Force Bases Within the United States of America on 17 September 1982. Office of Air Force History. p. 46. ISBN 0-912799-53-6. Retrieved 2013-08-15. 
  • Arnold, Henry H. (June 1944) [May 1944]. AAF: The Official Guide to the Army Air Forces. New York: Pocket Books. Foreword. Special Edition for AAF Organizations.