AIR HISTORICAL STUDIES: NO. 57 STATISTICAL CONTROL in the ARMY AIR FORCES SCAl\N.ED BY ISA USAF HISTORICAL DIVISION AIR UNIVERSITY January 1952 AIR HISTORICAL STUDIES: NO. 57 STATISTICAL CONTROL in the ARMY AIR FORCES USAF HISTORICAL DIVISION AIR UNIVERSITY January 1952 Foreword This monograph tells of the establishment and de· velopment of a stat:i stical control system in the Army's air arm. The organization and function of the Statistl· cal Control Division, problems of recruiting and training, and methods of operating--all are described in detail. The present study was written by Dr. Frances Acomh. Like other Historical Division studies, this history is subject to revision, and additional information or suggested corrections will be welcomed. CONTENTS Page I. STATISTICAL ORGANIZATIONS IN THE ARMY AIR ARM TO 9 MARCH 1942 •••••••••.•.•••.••••••••.•..•••• l The Development Section, In-flpection D1vis1on..... l Administrative Research and Statistics Section, Adm1nistrative Division........................ 2 Materiel Division Statistical 0l"gan1zat1on....... 3 The Statistics Section,• Plans Division........... 4 Air Staff, Statutics and OCAC, Statistics .•..• ,. 6 Development 0£ Statistical Control, 7 Dece~ber 1941 to 9 Ma;rch 1942 ................ , •. . . ••• • • • 8 Machine Records Units Under The AdJutant General •........•••.•.....•...••••........••••. ll Statistical Control in the Reorgan~zat1on of 9 March 1942 ..........••....•........•.•.•.. ·• ·• · · · l~ II. INTERNAL DEVELOPMENTS IN ORGANIZ~TION AND FUNCTIONS...................................... 14 Relation of the Statistical Control Division to Other Headquarters Agencies ••.••••••..•..••••.• 16 III. ESTABLISHMENT AND OPERATION OF STATISTICAL CONTllOL IN THE ZONE OF THE INTERIOR............ 23 Proble~s 0£ Technical Supervision in the Statistical Control System.•••••••••••, ..•..• ,, 23 Position of the Statistical Control Un~ts as Agenc1es oi r.he Commands .••••.••. , ••.... ,,..... 28 Opposit1on to the Establishment of Statistical Control Units ••••. ,............................ 3] Reporting in the Case of Commands Without s.......................................... SCU' 36 Consolidation of Statistical Control Units and Machine Records Units of the Adjutant General's Office •...•.•••••. ,., •........•• ,,, •.• , ...••.. , 36 IV. ESTABLISHMENT AND OPERATION OF STATISTICAL CONTROL IN OVERSEAS THEATERS •••••..•.....•.•••• 40 Technical Supervision in Overseas Theaters •.••••• 40 The Ad3utant General's Machine Records Units and the Mech11n1zation oi the SCU's............. 44 Reports Control., •...•••..• ,,, ••• ,, •••. ,,.,,, •. ,, 46 The Integration of Theater Statistical Control Organiaat1ons ..•..•.......••.................•. 47 Overseas SCU's as Agencies of their Comnands ••••• 48 Redeployment and Deir.ohiluation .•• ,,,............ 49 v. Page TRAINrnG AND ASSIGNMENT OF STATISTICAL PERSONNEL .••. ,, ••..•.•.••• , , , •. , ••••... , • , • . • • • 5 l The AAF St11t1st1c.~l School., •• ,, .••••••. ,,,,.,... 51 The AAF St11t1st1cal School Course................ 56 On-the-Joh Training of Statistical Officers •••.•• 59 Indoctrination of Statistical Officers .. , •••• ,... 61 Tl"aining of Machine Officers ... ,................. 61 Training of Enh.sted Personnel................... 62 Assignment of Statistical .Personnel., ••• , •••.• ,,. 63 VI. THE STATISTICAL CONTROL "REPORTING SYSTEM......... 65 Proi::ure:nent of the Basic Data.................... 65 Pers onne 1 Re ports. . . . • . . . . • . . . . • . . . • • . . . . . . . • . . • • 6 5 Training lleports •••.•••.•..••••••.•••••.•.••••••• 74 Housing Reports, •• , •••• ,,.,., ••••••••••• , •••• ,.,, 76 Aircraft and Equipnent Reports •......•..•••.•..•• 77 Combat Operations Report ..••••.• , .•• ,, .•. , •••• ,., 84 Naval and Foreign Statistics ••••. ,,., ••• ,.,., •. ,. 87 Reports Control •••• , , • • • • . . • • • • • • • . • • • • . . • • • . • . . . 87 VII. SUMMARY AND CONCLUSIONS.,........................ 91 GLOSSARY •• ,...................................... 96 NOTES •.••••.. ,., ••..••.•...• ,, •.•••.••• ,......... 97 BIBl.IOGRAPHY. . . • . • • . • • . . • . . • . • . • • . . . . • . . . • • • • • . . . 119 APPENDIX I. Army Air Forces Statistical School as of 2 July 1942 .•••.••... ,, ••••.•••••. ,,, ••... 12'l1 2. AAF Statistical School: Ou~line 8-Week's Course (ExpBnded) •.. ••••••• .••.••..•.•••.. 124 INDEX •••••••••••••..••• , •..••••••.•••••.•..••••. 128 STA.TISTICAL ORGANIZATIONS IN THE ARMY AIR ARM TO 9 MARCH 1942 P RIOR to 9 March 1942 there was no taken to initiate a statistical centralized administrative con ~eform while the ~ountry was still trol over s~atistical reporting and at peace. The origins of statistical analysis in the Army's air arm. In control are to be found in the period the Air Corps there were a n11r.1.ber of 1939-1942. 1 statistical offices ca~h of which had acquired more or less general i:i:ed The Development Section, stat1stical £unctions wi~hout being Inspection Dtvision able to achieve status even approxi mating that of the statistical agency The first important precursor of of the air arm. Each kept its own the statistical control organization records, with little reference to of World War II was the Development the Air Corps as a whole. So great Section of the Air Corps' Inspection •as the variety of the forms in Division, created on 1 April 1927.2 which information was obta1ned, that The compilation of statistical for the purposes of correlation and studies of accidents and forced analysis whatever data were availa landings comprised the principal ble usually had a very narrow range activity of the Section, 3 which of utility. under Earl Ritzert did pioneering Until 1939 this lack of intcgra tion work in methodology, particularly in statistical reporting occasioned in devising new forms and standards little concern, for there we~e few for the recordinff of aircraft and persons in the Air Corps who pos engine time and 1ndividual flying sessed a very broad concept of the time. 4 utility of statist~cs. Where it The De~clopment Section was con existed, it was associ~ted with the sidered to have a kind of mono?oly concept of administrative management of the field o! accident and forced control. But beginning in 1939 and landing reporting, and was therefore continuing at an ever-accelerating permitted to absorb a duplicate rate, the air arm underwent a tre activity for life insurance which mendous expansion which raised it to had been carried on in the Infor a position coordinate with the ground mation Division.a The directives and service arms. This development, which defined the function~ 0£ the as well as responsibility for planning Development Section had gone even the air war program impressed Head farther, however, for they had con 1 quarters of the air arm with the templated the operation oft.he section necessity of having reliable data as a research and planning agency and sign1ficant correlations thereof for the Office of the Chief of the for all phases of Air Corps activity, Air Corps (OCAC) as a whole with 1 Although a reporting system really respect to both technical inspection capable of producing the requisite and m~nagement control, 6 Actually, data was not worked out and installed however, the Development Section until after Pearl Harbor, steps were was able to do very little about 1 2 STATISTICAL CONTROL IN THE ARMY AIR FORCES management control., Nor was the in the exercise of which the Develop statistical work it performed for ment Section had felt 1 tse l f thwarted, other divisions of the OCAC very while its statistical services would extensive. The section made a number be correspondingly nore extensive of special statistical studies at than had been those of the Develop the request of the Plans Division ment Section. It would conduct an and the Executive of the OCAC in inter-office record and report connection with the defense of legis survey with a view to establishing lation pending before Congress; and centralized records for the compi some of its personnel worked on loan lation of data which were commonly in other offices, chiefly Plans, used by two or more o££iecs, prepare during periods when specialists with routine compilations on reports training in the mathematical treat periodically required by two or more ment of statistical data were re offices, offer statistical services quired, but that was virtually all. T whenever and wherever needed, and In 1939, when the problems of conduct studies pertaining to systems, expansion awakened an interest in records, and reports for th~ Air statistics in the Air Corps, Head Corps at large, 9 quarters officers increasing! y looked No action was taken on this pro to the Development Section as the posal for nearly a year. Meantime, principal statistical service agency the Inspection Division kept pointing within the OCAC. In July of that out to the Chief of the Air Corps year the Chief of the Air Corps that "the work of the Developnent directed it to make a detailed study Section is extremely valuable and is of the routines of each division becoming of increasing importance," of the OCA.C w1th a view to coordi including '"up-to-date observations nating and simplifying the compi of the many effects o! the expansion lation of statistical data. 8 program." 10 In August 1940 the Chief The Development Section seized of the Development Section again its opportunity, The study it pre suggested that the Development sented pointed out the difficulties Section he transfer~ed to another it was encountering in operating as division, tlus time to a proposed new a statistical office when the modes Administrative Divis£on.11 Under the of securing data were not standard new organization the section would ized and the administrative super also include a machine-tabulating vision 0£ the process was not unit, the creation of which had been centralized. Attributing to its approved about this time. The unit subordinate position under the was expected to design master punch Inspection Division the limitations cards listing data on flying time, on both the amount and kind of ~ork which would serve the requirements which it could undertake and the not only of the Inspection Division, influence it could exert, it asked but of all the other divisions of for itself a more advantageous the OC\C as well. 12 position within the organization of the OCAC. It suggested specifically Administrative Research and Statistics that a new Administrative Research Section, Administrative Division and Statistics Section be set up in the Executive Division, and that the The plans JUSt described were personnel of the Development Section carried into effect, in essence, be used as a nucleus for it. The by the reorganization of the OCAC new section would actually have the in November 1940. At that time the administ~ative research functions Development Section disappeaTed from STATI3TICAL CONTROL IN THE AR/.fY AIR FORCES 3 the Inspection Division to appear had been already indicated, to receive as the Administrative Research and and analyze the accident data formerly Stat1 sties Section of the new Miscel collected by the Development Sec laneous Di~ision. On 25 Februa~y tion. s8 The Materiel Division had 1941 the Miscellaneous Division was its own statistical organization, renamed the Administrative Division; producing periodic reports relative Capt. James M. Farrar was chief of to the production, status, and flying the new Section. 19 The section was time of aircraft and engines. described, in the directive which The Materiel Division organization es~ablished it, as an agency1• had been built up over more than a decade. When it was created in 1926, opera ting for the purpose of develop1.ng its principal part was the Statistics lDproved administrative procedure sys tems, !orms, reports and standa:i:d Unit of the Field Services Section, practices, And for the comp1lat1on of which maintained the ccnsolidated such stat1st1cal matter as 1s required records of all airplanes, engines, by all divisions of the Office, Chief and lighter-than·air craft, showing o! the A1.r Corps, to include statistical the number, location, condition, analysis service as required. status, and flying time of each. 20 The Inspection Division, through a Under the direction of the Field newly organized Safety Section, was Service Section, business-machine to continue the handling of accident equipment was installed at Wright statistics, which had previously Field between 1929 and 1932, at been the Development Section's fi~st primarily for cost-accounting major activity, 15 A machine tabu purposes, but soon for other sta lating unit was included.is By March tistical uses, including the record 1941 the new section was handling ing of ~ircraft and engine time. 21 fl~ght records, medical examination Though statistical data and reports records, and emergency tabulations emanatP.d from other sections as well, for the various divisions of the the Field Service Section operated OCAC. In addition it was authorized the principal statistical agency in to undertake the processing of Air the Materiel Division until 1936, Corps military pe~sonnel data; ulti when its Statistics Unit was incorpo mately, it was expected, civilian rated into the Budget Office. 22 personnel records would also be entrusted to it. 17 An OCAC memo A reorganization of the Materiel randum of 23 April called attention Division in 1939 re"'oved the chief of the division from Wright Field to the type of work being done by to Washington, leaviiig the f ac iht ics the Research and Statistics Section, at Wright Field under the direction which was BaJ.d to be "now equipped to handle some of the administ~ative of the astiistant chie£. In the problems of the Air Corps. " 18 Washington offices a new stati~tical ageney was organized--the Materiel Planning Section. Besides coordi Mate~iel Diviston Stattstical nating the industrial planning done Organ ua t ion by the Materiel Division and other The establishment of the Research divisions of the OCAC, the Materiel and Statistics Section did not mean Planning Section maintained sta that statistical control in the OCAC tistical records and reports, and had be~n centrali~ed. Two other made studies for the use of the autonomous statistical units still Chief of the Materiel Division and existed, The Safety Section of the the Chief of the Air Corps. 23 The Inspection Division continued, as Materiel Planning Section became the