As the possibilities of operational research began to grow, 

 so did the membership of the group „ By 1 May 1942 the staff 

 consisted of seven scientists, and by 1 January 1943 there were 

 a total of thirty „ By the end of August 1944 9 the group had 

 grown to fifty, of whom seven were mathematicians, sixteen ac- 

 tuaries, eighteen physicists, five chemists, three biologists 

 and one architect Of the total s twenty-eight were PhuD's or 

 were full Fellows of the Actuarial Societies,, Though retain- 

 ing the title of Research Group M for administrative and 

 financial contacts, the group had a more formal title, the Anti- 

 submarine Operations Research Group (ASWORG) for use with the 

 Navy and for classified reports „ 



ASWORG's Headquarters. 



The first home of ASWORG was in the quarters of the Anti- 

 submarine Warfare Unit of the Atlantic Fleet, at the headquar- 

 ters of the First Naval District, 150 Causeway Street, Boston, 

 Massachusetts , 



Beginning in June 1942c, the main headquarters of the group 

 was gradually transferred from Boston to Washington, where of- 

 fices had been obtained in Temporary Building 2, Office of the 

 Navy Department o Later, after one or two moves, permanent 

 quarters for the group were found in the main Navy Building 

 on Constitution Avenue In Rooms 4303 to 4313 The installa- 

 tion of the members of the group assigned to Eastern Sea 

 Frontier was accomplished by the first of July c 



One advantage of this closer relationship with the East- 

 ern Sea Frontier was that contact could be maintained with the 

 Army Air Forces First Bomber Command which provided many of 

 the long-range bombers used in ant i« submarine patrols along 

 the Eastern coast , In order that members of the group might 

 observe experiments, both tactical and equipmentafc, which were 

 being carried out under Colonel Wo Co Dolan, a number of the 

 Army air fields were visited 9 in particular Lang ley Fieldo 



Field Assignments . 



It was early realized that it was important for the staff 

 of Group M to keep in close touch with actual operations „ It 

 was in the summer of 1942 that in keeping with this policy a 

 number of members of the group „ including Dr» Shockley, Dr„ 

 Ao Fo Kip,, Dr„ R„ Fo Rinehart , " Dr „ Mo E» Bell, Mr„ Pellam, 



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