1/S/tF  •.     54c    F^CT    c-*iet    *fal 
AGM-8  6B  ALCM: 
81-001.4 
Air-Launched  Cruise  Missile;  20  feet, 
9  inches  in  length,  it  has  a  wingspan 
of  12  feet,  and  weighs  approximately 
3,000  pounds.  The  missile  is  capable 
of  flying  over  1,500  miles  without 
detection  through  the  use  of  the 
Terrain  Contour  Matching  (TERCOM) 
guidance  system.  Each  B-52G  will  be 
capable  of  carrying  20  ALCMS. 
SPACE  SURVEILLANCE  AND  MISSILE  WARNING  SYSTEMS 
Ballistic  Missile 
Early  Warning  System 
(BMEWS): 
Sea  Launched  Ballistic 
Missile  Detection  and 
Warning  System: 
BMEWS  consists  of  radar  at  Clear  AFS, 
Alaska,  and  Thule  AB,  Greenland,  with 
a  third  site  at  Fylingdales,  England, 
under  control  of  the  Royal  Air  Force. 
BMEWS  provides  data  on  ICBM  launches 
and  predicts  their  impact  points. 
The  system  consists  of  four  phased 
array  radars  and  one  mechanical 
radar.  The  phased  arrays  are  located 
at  Otis  AFB,  Mass.?  Eglin  AFB,  Fla.; 
Concrete,  N.D.?  and  Beale  AFB,  Calif.? 
the  mechanical  radar  is  located  at 
MacDill  AFB,  Fla.  The  SLBM  D&W  system 
provides  detection  and  warning  of  a 
sea  launched  ballistic  missile  attack 
against  the  Continental  United  States 
and  southern  Canada. 
COBRA  DANE: 
This  is  a  phased  array  radar  located 
on  Shemya  Island  in  the  Aleutian  chain 
capable  of  detecting  and  tracking 
objects  in  a  missile  trajectory  or  an 
orbital  path.  Primarily  an  intelli- 
gence gatherer,  it  supports  the  space 
surveillance  mission  but  goes  into  an 
early  warning  mode  when  directed  or  in 
case  of  attack. 
Space  Surveillance 
C 
The  Space  Surveillance  mission  is  a 
function  of  the  SPACETRACK  system. 
SPACETRACK  is  a  system  of '^dedicated, 
collateral  and -contributing  sensors 
located  world-wide.  These  sensors 
provide  detection,  tracking,  identifi- 
cation, characterization  and  catalog- 
ing of  earth  satellite  vehicles.  ff  Ded- 
icated. SPACETRACK  sensors  include  the 
Baker-Nunn  optical  cameras  at  Edwards 
AFB,  Calif.?  Mt  John,  New  Zealand? 
Pulmosan,    Korea?    St.    Margarets,    New 
-more-
81-001.5 
Brunswick;    and    San   Vito,    Italy;    the 
Naval     Space     Surveillance     System 
composed    of    six    transmitter   sites   and 
three   receiver   sites   located   across 
the    southern    portion    of    the    United 
States    and    the    Kaena    Point    optical 
camera    in    Hawaii.  ©CoJJLa.teral    SPACE-- 
TRACK    sensors    include    BMEWS,    SLBM, 
Cobra    Dane    and    the    tracking    radar    at 
Pirinclik,    Turkey.        The  ^contributijncL 
sensors     are    non-SAC,    sensors     which 
provide    SPACETRACK    support    under 
contract     or     agreement.         Principal 
contributing     sensors     are    Millstone 
Hill    and    Haystack   deep    space    tracking 
radars    of    Massachusetts    Institute    of 
Technology     Lincoln     Laboratories, 
Massachusetts;     Antigua     and    Ascension 
sensors    of    the    Eastern    Space    and 
Missile    Center,    Patrick    AFB,    Fla.; 
ALTAIR/ALCOR    radars     at    Kwajalein 
Atoll,    and    the    Maui    Optical    Tracking 
and     Identification     Facility     (MOTIF), 
Hawaii.        Program    improvements    to 
SPACETRACK    system    include    the    Ground- 
based     Electro-Optical    Deep    Space 
Surveillance     (GEODSS)     system-  which 
will    replace    the   Baker-Nunn    optical 
cameras     and     redeployment     of     the 
AN/GPS -10     radar     at     Sa&_MisJiel, 
Philippines. 
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