CMMCA Aircraft 81-0893 In   1981   the   United   States Air   Force   bought   eight American Airlines   Boeing   707-320C   aircraft   at a   cost   of   around   1.5   million   dollars   each   with   the   initial   intent   to   modify   four   of   these   aircraft   to replace four of the aging EC-135N ARIA Aircraft. The   CMMCA,   Advanced   Cruise   Missile   Mission   Control   Aircraft,   was   designed   to   reduce   the number   of   aircraft   required   to   support   the   Cruise   Missile   flight   testing   program.   This   reduction of support aircraft would provide substantial savings. There   were   numerous   differences   between   the   Advanced   CMMCA   and   the   ARIA   aircraft.   The most   obvious   was   the   elongated   radome   that   housed   a   smaller   three   foot   dish   antenna.   The benefit   of   this   configuration   was   that   it   allowed   the   aircraft   to   overtake   the   missile   without reaching    the    maximum    dish    angle    of    the    antenna.    The    larger    seven    foot    dish    antenna arrangement was more restrictive. Aircraft   81-0893   and   81-0895   were   modified   for   CMMCA.   Originally,   aircraft   81-0893   was retrofitted   with   a   shorter   radome   due   to   the   reduction   in   the   size   of   the   tracking   antenna. Unfortunately,    this    shorter    radome    caused    aerodynamic    and    transmittance    problems.   The corrected design was implemented in 1994. The   other   large   antenna   in   the Advanced   CMMCA   is   part   of   the APG-63   radar,   the   same   radar that   was   installed   in   the   F-15   fighter   aircraft.   This   radar   was   intended   to   allow   positive   tracking of   the   Cruise   Missile   and   reduce   the   need   for   fighter   safety   chase   planes.   The   APG-63   radar was   never   fully   utilized.   The   mission   equipment   was   eventually   removed   and   the   aircraft transferred into the Joint STARS program. Written By Randy L. Losey Source: Chris Miller
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CMMCA Aircraft 81-0893 In    1981    the    United    States    Air    Force    bought    eight American   Airlines   Boeing   707-320C   aircraft   at   a   cost of   around   1.5   million   dollars   each   with   the   initial   intent to   modify   four   of   these   aircraft   to   replace   four   of   the aging EC-135N ARIA Aircraft. The     CMMCA,     Advanced     Cruise     Missile     Mission Control   Aircraft,   was   designed   to   reduce   the   number of   aircraft   required   to   support   the   Cruise   Missile   flight testing    program.    This    reduction    of    support    aircraft would provide substantial savings. There     were     numerous     differences     between     the Advanced   CMMCA   and   the   ARIA   aircraft.   The   most obvious    was    the    elongated    radome    that    housed    a smaller   three   foot   dish   antenna.   The   benefit   of   this configuration    was    that    it    allowed    the    aircraft    to overtake   the   missile   without   reaching   the   maximum dish   angle   of   the   antenna.   The   larger   seven   foot   dish antenna arrangement was more restrictive. Aircraft    81-0893    and    81-0895    were    modified    for CMMCA.    Originally,    aircraft    81-0893    was    retrofitted with   a   shorter   radome   due   to   the   reduction   in   the   size of    the    tracking    antenna.    Unfortunately,    this    shorter radome     caused     aerodynamic     and     transmittance problems.   The   corrected   design   was   implemented   in 1994. The   other   large   antenna   in   the   Advanced   CMMCA   is part   of   the   APG-63   radar,   the   same   radar   that   was installed   in   the   F-15   fighter   aircraft.   This   radar   was intended    to    allow    positive    tracking    of    the    Cruise Missile   and   reduce   the   need   for   fighter   safety   chase planes.   The   APG-63   radar   was   never   fully   utilized. The   mission   equipment   was   eventually   removed   and the aircraft transferred into the Joint STARS program. Written By Randy L. Losey Source: Chris Miller