Early US Launch Vehicle Flight History by Variant/Year
          Page 2 of 2:  Viking/Vanguard, Redstone/Jupiter-C (Juno I), 
               Jupiter/Juno II
                Comprehensive Orbital Launch Failure List

Date        Vehicle          ID   Site       Payload            Failure Description                      Result#
------------------------------------------------------------------------------------------------------------------
12/6/1957   Vanguard       TV-3    CC LC18A   Vanguard          Low fuel tank press, cutoff at T+2sec      FTO
2/5/1958    Vanguard       TV-3BU  CC LC18A   Vanguard          Control system at T+57sec                  FTO
3/5/1958    Jupiter-C      RS-26   CC LC26A   Explorer II       4th stg did not ignite                     FTO
4/28/1958   Vanguard       TV-5    CC LC18A   Vanguard          Improper 2nd stg shotdown sequence         FTO
5/27/1958   Vanguard       SLV-1   CC LV18A   Vanguard          Improper 2nd stg cutoff                    FTO
6/26/1958   Vanguard       SLV-2   CC LV18A   Vanguard          2nd stg LOX feed restriction after 8 sec   FTO
8/24/1958   Jupiter-C      RS-47   CC LC5     Explorer V        Booster collided with 2nd stage            FTO
9/26/1958   Vanguard       SLV-3   CC LC18A   Vanguard          Low 2nd stg thrust, contaminated fuel sys  FTO
10/23/1958  Jupiter-C      RS-49   CC LC5     Beacon I          Upper stgs sep during 1st stg burn         FTO 
12/6/1958   Juno II        AM11    CC LC5     Pioneer III       Early cutoff.  Did not reach Moon          FTO
4/13/1959   Vanguard       SLV-5   CC LC18A   Vanguard          2nd stg failed due sep damage              FTO
6/22/1959   Vanguard       SLV-6   CC LC18A   Vanguard          2nd stg pressure valve failed              FTO
7/16/1959   Juno II        AM16    CC LC5     Explorer (S-1)    Guidance pwr supply failed. RSO T+5sec     FTO
8/14/1959   Juno II        AM19B   CC LC26B   Beacon II         1st stg fuel depleted early                FTO
3/23/1960   Juno II        AM19C   CC LC26B   Explorer (S-46)   One upper stg failed to ignite             FTO
11/21/1960  Redstone       MR-1    CC LC5     MR-1              Booster damaged, engine cutoff T+1sec      FSO   
1/31/1961   Redstone       MR-2    CC LC5     MR-2              Early cutoff, capsule abort w/chimp Ham    FSO
2/24/1961   Juno II        AM19F   CC LC26B   Explorer (S-45)   3rd stg failed to ignite                   FTO
5/24/1961   Juno II        AM19G   CC LC26B   Explorer (S-45a)  2nd stg failed to ignite                   FTO
------------------------------------------------------------------------------------------------------------------

Footnotes:

#  FTO:  Failed to Orbit
   FSO*:  Failed Suborbital
  (EEO):  Unintended Eliptical Earth Orbit
  (GTO):  Unintended Geosynchronous Transfer Orbit
  (LEO):  Unintended/Improper Low Earth Orbit

"CC" = Cape Canaveral Air Force Station, Florida
"RSO" = Range Safety Officer


References:

Jonathan's Space Report Launch Vehicle Database 
    "http://www.planet4589.org/space/lvdb/index.html"
Encylopedia Astronautica "http://www.astronautix.com/"
Gunter's Space Page "http://www.skyrocket.de/space"
History of the Redstone Missile System, U.S. Army Missile Command, 1965
History of the Jupiter Missile System, U.S. Army Ordnance Missile Command, 1962
TRW Space Log 1957-1996, TRW Space & Electronics Group, Redondo Beach, CA. 

Last Update 12/29/2003 by Ed Kyle