- .: departies*  &  id  ila  kecs 
JStf&WXRS*  CNITEDpT^  AIR  FCBCE 
WASHDGTCN  . 
AFOEUSR  322    r .""•-•  "~  20  October  1948 
SUBJECT*  Functions  of  the  E8A?  Security  Service 
TOx     .Commanding  Ganaralfl,  Major  Air  Commands  in  21  and  Overseas  * 
1.  '  The  TBAF  Security  Service,  established  with  headquarters  at 
Arlington  Hall,  Washington,  D.  C,,  by  letter,  Headquarters  United  States 
Air  Force,  file  322  (4F0QR  £48©)*  subject:  "Establishment  of  the  USAF 
Security  Service,  *  .20  October  1948,  copy  attached,  will  operate  under 
the  direct  control  of  the  Chief  of  Staff,  BS&F  (such  control  to  be 
exercised  by  the  Deputy  Chief  of  Staff,  Operations,  through  the  Di- 
rector of  Intelligence.) 
2.  .  Strength  and  composition  of  the  -Headquarters,  tBAF  Security 
Service  will  be  as  determined  by  the  Chief  of  Staff,  USAF.  There  will 
be  assigned  to  the  OSAF  Security  Service  as  field  units  thereof  all 
and  communication  security  establishments, 
units,  and  personnel  not  otherwise  as-igned  by  Headquarters  USAF. 
No  change  is  contemplated  at  the  present  tine  in  location  of  units  or 
personnel  affected  by  this  letter.  Specific  orders  for  the  transfer 
cr*  attachment  of  such  units  and  personnel  will  be  issued  progressively 
and  as  expeditiously  as  practicable  including  orders  for  the  activation 
of  any  units  considerod  necessary  and  approved  by  the  Chief  of  Staff, 
US£Fa 
3.  Personnel  will  not  be  transferred  to-ror  from  tho  OSAF  Security 
Service,  to  or  from  any' field  .unit  theroof  or 'to  or  f ron  .any  otherwise 
assigned  and  communication  security  "  '  *  "  . 
unit  without  prior  approval  of  Headquarters  BSAF  in  each  instance* 
4-#  and  comnunication  security  units 
and  personnel  of  tho  USAF  Sccuritv  Service  will  bo  attached  to  major 
air  commands  in  ZI  and  overseas  as  needed  to  »eet  security 
requirements.  The  Commanding  General-,  DSAF  Security'  Sc-rv-  •• 
ice,  will  be  notified  of  any.  further -attachments  of  such  units  or  per- 
sonnel made  by  the  major  air  commands  in  ZI  or  overseas  and  advised  of 
all  subsequent  .-changes.  The  major  air  eonmand  in  21  or  overseas  to 
which  such  units  arc  attached  will  have  administrative  control  (subject 
to  tho  provisions  of  paragraph:;  3  and  6i)  and  will  provide  normal,  -non- 
specialized  logistic  support.  Operational  control,  noccsaary' technical 
assistance,  and  specialized  logistic  support  will  be  supplied  directly  •"-- 
by  Headquarters,  E5£F  Security  Service. 
5.  In  addition  to  the  attached  .units  mentioned, in  paragraph  4, 
other  .  units  and/or  personnel  of '  the  OSAF 
Security  Sorvicc  nay  be  locatod  in  the  territory  assigned  ^o  a  major 
air  command  in  ZI  or  ovcrsoas  in  order  to  meet  other  than  local 
iocurity  requirements.  In  such  cases  specific  in- 
structions will  be  issuod  as  to  tho  administration  and  control  of  the 
units  or  personnel  concerned* 
'"'-"  C9-2277,  AF
6,  Tho  USAF  Security  Sorvice  will  be  responsible  for  the  f olicrclng  ^ 
communication  security  activities:       3
*  a.  Tho  operational  command  and  direction  of  all  % 
communication  socurity  "units  and  porsonnol  assigned  to-'-i^j 
the  USAF  Security  Service 
•  *'  •  J^ 
•I 
d.     Tho  preparation  and  coordination  of  military  characteristics-: 
and  operational  requirements  and  coordination  of  tho  research  and  develop- 
ment of  "  communication  security  equipment. 
*  i 
•     *"  .  ** 
o.  .  Tho  preparation,  production*  and  publication  of  key  lists         ; 
and  related  items  far  use  with  Air  Force  cryptographic  systems.  ..'..; 
f.   .The  storage,  distribution,  and  accounting  for  all  crypto-' 
graphic  systems  and  equipment  held  by  the  Air  Force.     Existing  facilities  • 
and  procedures  "*7ill  bo  usod  uhcre  feasible.   . 
g. '  Tho  •  preparation  of  opcratingt.and  maintenance  instructions- 
for  cryptographic  cquipocnt  and  related  systems  developed  and  usod  •    "-» 
exclusively  by  tho  Air  Forcoj.  collaboration  in  tho  preparation  of  .  '••'
operating  and  maintenance  instructions,  for  Jointly  developed  and  used 
cryptographic  systems  and  equipment.     Security  classification  of  tho      .  '.    ■« 
aforementioned  "equipment  and  rolatod  systems  rzill  be  a  responsibility  -.    '  '  •  • 
of  the  agency  developing  the  equipment* 
h*     The-  cryptographic  and  transmission  security  of  Air  Force 
communications.  "..-•...  •        ' 
i.    -The  establishment  of  requirements  for  personnel  for  the 
ESA?  Security  Service  and  dthor*  coQmunica- 
tioa  security  units  and  tho  assignment  and  promotion  of.  such  personnel 
uithin  the  Air  Porcc  units  engaged  in- this  activity,   in  accordance  vrith 
established  Air  Force  policies. 
•  :,....••"-.' 
j.    Tho  organization  and  training  of  all  units  and  provision 
for  tho  specialized  training,  of  all  individuals  ongaged  in  Air  Forco 
socurity  .activities.  ;:-; 
k'.  •"  Eao  determination""  of  dootrinos  and  techniques  and  tho  _ 
preparation  of. training  litoraturo- and  fijOld  manuals.-  -    :    l  •"     . 
1.     Tha  preparation  of  Tablqs  a£..,Prganization  and  Equipment j. 
Uilitary  Occupational  Spocialtios^  and-sdatod  itoma  peculiar  to  tho  ~ 
activities'  of  tha,BSA?. -Security  Scryico,  v<;...  -f.  -     -,-.--  '"*   -  —  -- 
2  «•  ~ .**"."•*"" •  -  ■*  -^  -  — *•-    • 
a4    _/.-U,-  *   "  "*C9-22?7,AP:
-".1 
••*  ■  "        \  z 
b#  The  budgeting  for  Air  Faro©  cryptographic  oquipenont  in 
eoordiJDation  rith  the  Budget  Section,  Directorate  of  Connunl  cations, 
and  tot   the  noeo saary  expenditures  in  the  discharge  of  the 
communication  security  activities, 
7.  Al though  control  of  the  TEAF  Security  Service  wiH  be  exercised 
by  tho  Deputy  Chief  of  Staff,  Operations 
the  Diroctor  of  Communications  will 
continue  to  exerciso  staff  supervision  at  the  Headquarters  DSAF  level 
over  all  natters  pertaining  to  cryptography  and  communications  security 
In  coordination  with  the  Director  of  Intelligence 
$.     Communication  facilities  required  by  the  USAF  Security  Service 
to  and  from  oversea  major,  air  coraands  and  installations  will  be  pro- 
vided by  the  Director  of  Communications ♦  Adequate  communication  facili- 
ties within  oversea  major  air  commands  will  be  provided  by  the  respective 
eoomanders* 
9,  The  troop  basis  of  major  air  commands  in  ZI  and  overseas  will 
bo  adjusted  to  reflect  any  transfers  effected  under  the  provisions  of 
this  lettor. 
BY  COlCIAIii;  ur  THE  CHE?  CF  STAFF: 
/s/  L#  L.  Judge 
/t/  L.  L.  JUDGE 
Colonel,  DSAF 
1  Incl  Air  Adjutant  General 
Ltr  322  (AFOOR  a4Se) 
A  TRUE  COPY: 
TOMMY  W^GRUXDI 
1st  Lt.f   DSAF 
Asst  Adjutant  Geaoral 
C9-2277,  4F