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Blue Scout Junior (SRM-91, MER-6)

Blue-Scout-jr SLV1B (HETS D-1) [USAF]

Blue-Scout-jr SLV1C [Scott Murdock]

RAM-B [NASA]

Version Stage 1 Stage 2 Stage 3 Stage 4
Blue-Scout-jr SLV-1B Castor-1 (XM-33E8) Antares-1A (X-254-A1) Alcor (AJ10-41) Cetus (NOTS-100A)
Blue-Scout-jr SLV-1B mod. Castor-1 (XM-33E8) Antares-1A (X-254-A1) Alcor (AJ10-41) -
Blue-Scout-jr SLV-1C (MER-6A) Castor-1 (XM-33E8) Antares-1A (X-254-A1) Altair (X-248) -
RAM-B Castor-1 (XM-33E8) Antares-1A (X-254-A1) Alcor (AJ10-41) -
No. TypNo Serial Type                       LS            Date        Payload

  1    1  D-1     Blue-Scout-jr SLV1B       CC LC-18A * P 21.09.1960  HETS D-1 (Radiation Probe 1)
  2    2  D-2     Blue-Scout-jr SLV1B       CC LC-18A * F 08.11.1960  HETS D-2 (Radiation Probe 2)
  3    3  0-1     Blue-Scout-jr SLV1B       CC LC-18A *   17.08.1961  HETS O-1 (Radiation Probe 3)
  4    4  0-3     Blue-Scout-jr SLV1B       Va LC-A   *   04.12.1961  HETS O-3 (Radiation Probe 4)
  5    1  102     Blue-Scout-jr SLV1C       Va LC-A   *   31.05.1962  Beanstalk 1 (ERCS 1)
  6    2  101     Blue-Scout-jr SLV1C       Va LC-A   *   24.07.1962  Beanstalk 2 (ERCS 2)
  7    1  ---     RAM-B                     WI        * F 21.09.1962  RAM B 1
  8    3  201     Blue-Scout-jr SLV1C       Va LC-A   *   21.11.1962  Beanstalk 3 (ERCS 3)
  9    1  21-1    Blue-Scout-jr SLV1B mod.  Va LC-A   *   19.12.1962  (Ion Engine Test 1)
 10    4  202     Blue-Scout-jr SLV1C       Va LC-A   *   02.02.1963  Beanstalk 4 (ERCS 4)
 11    5  203     Blue-Scout-jr SLV1C       Va LC-A   *   14.03.1963  Beanstalk 5 (ERCS 5)
 12    6  301     Blue-Scout-jr SLV1C       Va LC-A   *   17.05.1963  Beanstalk 6 (ERCS 6)
 13    2  ---     RAM-B                     WI        *   28.05.1963  RAM-B 2
 14    5  AD-622  Blue-Scout-jr SLV1B       CC LC-18A *   30.07.1963  OAR 22-1 (Space Radio Project, SRP)
 15    7  302     Blue-Scout-jr SLV1C       Va LC-A   *   17.12.1963  Beanstalk 7 (ERCS 7)
 16    6  AD-623  Blue-Scout-jr SLV1B       CC LC-18A * P 13.03.1964  OAR 22-2 (Magnetosphere Probe)
 17    3  ---     RAM-B                     WI        *   10.04.1964  RAM-B 3
 18    2  21-2    Blue-Scout-jr SLV1B mod.  Va LC-A   *   29.08.1964  (Ion Engine Test 2)
 19    3  21-3    Blue-Scout-jr SLV1B mod.  Va LC-A   * P 21.12.1964  (Ion Engine Test 3)
 20    7  22-3    Blue-Scout-jr SLV1B       CC LC-18A * F 28.01.1965  OAR 22-3 (Probe)
 21    8  22-4    Blue-Scout-jr SLV1B       CC LC-18A *   30.03.1965  OAR 22-4 (Magnetosphere Probe)
 22    9  22-9    Blue-Scout-jr SLV1B       CC LC-18A *   09.04.1965  OAR 22-9 (Radiation Effects)
 23   10  22-8    Blue-Scout-jr SLV1B       CC LC-18A *   12.05.1965  OAR 22-8 (Magnetic Field)
 24   11  22-5    Blue-Scout-jr SLV1B       CC LC-18A *   09.06.1965  OAR 22-5 (Radiation Effects)
 25    8 NB22.208 Blue-Scout-jr SLV1C       WI        *   25.11.1970  (UV Astronomy)


Launch sites:

CC  = Cape Canaveral Air Force Station, Eastern Test Range, Cape Canaveral, Florida, USA USA
Va  = Vandenberg AFB, California, USA USA
WI  = Wallops Flight Facility, Wallops Island, Virginia, USA USA


The RAM-B vehicle is de facto a 3 stage Blue-Scout junior

Source: Jonathan McDowell