Space Launch Report ... All-Time Launcher Results Summary
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Launch Vehicle Results Summary: 1957 through December 31, 2020. By Ed Kyle.   

Lewis Vehicle      Launches   Realzd Point   Years     Status (Failures) Rate Est.* =============================================================== Angara KSLV-1 3(2) .33 2009-2013 Angara 1.2PP 1(0) 1.00 2014- Suborbital Angara A5/Briz M 2(0) 1.00 2014- Active (ANGARA ORBITAL 5(2) .60 ) (ANGARA TOTAL 6(2) .67 ) Antares 110 2(0) 1.00 2013-2013 Antares 120 2(0) 1.00 2014-2014 Antares 130 1(1) .00 2014-2014 Antares 230 5(0) 1.00 2016-2019 Antares 230+ 3(0) 1.00 2019- Active (ANTARES TOTAL 13(1) .92 )
Ariane 1            11(2)      .82           1979-1986
Ariane 2             6(1)      .83           1986-1989
Ariane 3            11(1)      .91           1984-1989
Ariane 4           116(3)      .97    .97    1988-2003
(ARIANE 1-4 TOTAL  144(7)      .95    .95)

Ariane 5G           16(3)      .81           1996-2003
Ariane 5G+           3(0)     1.00           2004-2004
Ariane 5GS           6(0)     1.00           2005-2009
Ariane 5ECA         76(2)      .97    .96    2002-      Active
Ariane 5ES           8(0)     1.00           2008-2019
(ARIANE 5 TOTAL    109(5)      .95    .95) 

Astra Rocket 1       1(1)     0.00           2018-2018  Suborbital
Astra Rocket 2       1(1)     0.00           2018-2018  Suborbital
Astra Rocket 3       2(2)     0.00           2020-      Active

Athena 1             4(1)      .75           1995-2001
Athena 2             3(1)      .67           1998-1999
(ATHENA TOTAL        7(2)      .71    .71)


Atlas 5-401         38(1)      .97    .95    2002-      Active
Atlas 5-411          6(0)     1.00           2006-      Active
Atlas 5-421          7(0)     1.00           2007-      Active
Atlas 5-431          3(0)     1.00           2005-      Active
Atlas 5-501          7(0)     1.00           2010-      Active
Atlas 5-521          2(0)     1.00           2003-      Active
Atlas 5-531          4(0)     1.00           2010-      Active
Atlas 5-541          7(0)     1.00           2011-      Active
Atlas 5-551         11(0)     1.00           2006-      Active
Atlas 5-N22          1(0)     1.00           2019-      Active
(ATLAS 5 TOTAL      86(1)      .99    .98)


 Heritage Atlas
--------------------------------------------------------------------------
Atlas A              8(5)                    1957-1958  Suborbital
Atlas B              9(3)                    1958-1959  Suborbital
Atlas C              6(3)                    1958-1959  Suborbital
Atlas D            116(27)                   1959-1967  Suborbital
Atlas E             33(16)                   1960-1968  Suborbital
Atlas F             56(14)                   1961-1974  Suborbital
Atlas E Trident      2(0)                    1968-1968  Suborbital                   
Atlas F Trident     17(3)                    1967-1971  Suborbital
Atlas D Antares 2    2(0)                    1964-1965  Suborbital
Atlas D Mercury      3(2)                    1959-1961  Suborbital
LV3C Centaur A       1(1)                    1962-1962  Suborbital
SLV3 Prime           3(0)                    1966-1967  Suborbital
(ATLAS SUBORBITAL  256(74)     .71     .71   1957-1975)

Atlas D Able         3(3)                    1959-1960  SEE NOTE 1

LV3 Agena A          4(2)                    1960-1961
LV3 Agena B         28(10)                   1961-1965
SLV3 Agena B         1(0)                    1966-1966
LV3 Agena D         15(1)                    1963-1965
SLV3 Agena D        47(6)                    1964-1967
SLV3A Agena D       12(1)                    1968-1978
SLV3B Agena D        1(0)                    1966-1966
Atlas F Agena D      1(0)                    1978-1978
(All Atlas Agena   109(20)     .82    .82)


Atlas B Score        1(0)                    1958-1958
Atlas SLV3 ATDA      1(1)                    1966-1966
Atlas Mercury        7(1)                    1961-1963  Orbital
(All ATLAS NUS       9(2)      .78)

Atlas E Altair 3A    1(0)                    1990-1990
Atlas F Burner 2     1(0)                    1972-1972
Atlas SLV3 Burner 2  1(1)                    1968-1968
Atlas E OIS          1(0)     1.00           1979-1985
Atlas F OIS          1(0)
Atlas D OV1          7(4)
Atlas F OV1          4(0)
Atlas E MSD          1(1)
Atlas F MSD          3(0)
Atlas H MSD          5(0)
Atlas F PTS          1(0)
Atlas E SGS 1        1(1)
Atlas E SGS 2        4(0)
Atlas F SGS 1        7(0)
Atlas E Star 37S    15(0)
Atlas F Star 37S     4(1)
Atlas F Star 17A     1(1)
(All ATLAS SUS      58(9)      .84)

LV3C Centaur B-C     3(2)                    1962-1965  SEE NOTE 2
LV3C Centaur D       8(2)                    1965-1967
SLV3C Centaur D     17(3)      .82           1967-1972
SLV3D Centaur D1A    6(1)      .91           1973-1983
SLV3D Centaur D1AR  26(2)      .92    .89
G Centaur D1AR       7(2)      .71           1984-1989
Atlas 1 Centaur     11(3)      .73           1990-1997 
Atlas 2 Centaur     10(0)     1.00           1991-1998 
Atlas 2A Centaur    23(0)     1.00    .96    1992-2002 
Atlas 2AS Centaur   30(0)     1.00    .97    1993-2004
Atlas 3A Centaur     2(0)     1.00           2000-2004
Atlas 3B Centaur     4(0)     1.00           2002-2005
(ALL ATLAS CNTAUR  147(15)     .89    .89)              SEE NOTE 2

(ATLAS ORBITAL     326(49)     .86    .86) 
(ALL ATLAS         582(123)    .80    .80)
              
NOTE 1:  Totals do not include one Atlas-Able destroyed on Cape
pad LC 12 during static engine test on 9/24/1959.  This Atlas 
(9C) was not actually "launched", and is not included in most 
historical Atlas launch summaries.
NOTE 2:  Failed AC-1 (LV3C Centaur A) launch was a planned 
suborbital flight and is included in the suborbital totals.
  
Totals also do not include four Atlas ICBMs destroyed in ground 
accidents (one in 1963, three in 1964).
---------------------------------------------------------------------------


Black Arrow (UK)     2(1)      .50           1969-1970  Suborbital
Black Arrow (UK)     2(1)      .50           1970-1970
(BLACK ARROW TOTAL   4(2)      .50       )


  Blue Streak Based Launchers
---------------------------------------------------------------------------
Blue Streak (1 stg)  5(0)     1.00           1964-1966  Suborbital
Europa (2 stg Test)  2(2)      .00           1967-1967  Suborbital
Europa (I/II)        4(4)      .00           1968-1971
(BLUE STREAK TOTAL  11(6)      .45       )
---------------------------------------------------------------------------


Conestoga            1(1)      .00           1995-1995


  DF-3 Based Launchers (China)
---------------------------------------------------------------------------
DF-3 IRBM            3(0)     1.00           1966-1970  Suborbital
CZ-1                 2(0)     1.00           1970-1971
CZ-1D                3(1)      .67           1995-2002  Suborbital
(DF-3 ORBITAL        2(0)     1.00       )
(DF-3 TOTAL          8(1)      .88       ) 
---------------------------------------------------------------------------


  DF-5 Based Launchers (China)
---------------------------------------------------------------------------
DF-5 ICBM            9(0)     1.00           1971-1981  Suborbital
DF-5B ICBM           1(0)     1.00           2012-      Suborbital
DF-5C ICBM           1(0)     1.00           2017-      Suborbital
FB-1                 3(0)     1.00           1972-1978  Suborbital
FB-1                 8(4)      .50           1973-1981
CZ-2(C)(SD/SM)      58(2)      .97    .95    1974-      Active
CZ-2C (suborbital)   3(1)      .67           2014-      Suborbital
CZ-2D               51(1)      .98    .96    1992-      Active
CZ-2E                7(2)      .71           1990-1995
CZ-2F               14(0)[a]  1.00           1999-      Active            
CZ-3                13(3)      .77           1984-2000
CZ-3A               27(0)     1.00    .97    1995-      Active
CZ-3B               71(4)      .94    .93    1996-      Active
CZ-3C               18(0)     1.00           2008-      Active
CZ-4(A/B/C)         71(3)      .95    .94    1988-      Active
(DF-5 ORBITAL      338(19)     .94    .94)
(DF-5 TOTAL        355(20)     .94    .94)
[a] 11 Shenzhou (6 manned, 5 unmanned), 2 Tiangong, 1 reusable test flight)
---------------------------------------------------------------------------

CZ 5-8 (China)
---------------------------------------------------------------------------
CZ-5(B)              6(1)      .83           2016-      Active
CZ-6                 4(0)     1.00           2015-      Active
CZ-7(A)              3(1)      .67           2016-      Active
CZ-8                 1(0)     1.00           2020-      Active
---------------------------------------------------------------------------

 DF-11/15 Based Launchers (China)
---------------------------------------------------------------------------
Jielong 1            1(0)     1.00           2019-      Active  
OS-M                 1(1)     1.00           2019-      Active
---------------------------------------------------------------------------

  DF-21/26 Based Launchers (China)
---------------------------------------------------------------------------
KT-1 (DF-31)         2(2)      .00           2002-2003  
Kuaizhou             2(0)     1.00           2013-2014
Kuaizhou 1A         10(1)      .90           2017-      Active
ZQ-1                 1(1)      .00           2018-      Active
SQX-1                1(0)     1.00           2019-      Active
Ceres-1              1(0)     1.00           2020-      Active
---------------------------------------------------------------------------

  DF-31 Based Launchers (China)
---------------------------------------------------------------------------
DF-31 IRBM          15(0)     1.00           1992-      Suborbital
KP-7 (DF-31)         1(0)     1.00           2013-      Suborbital
CZ-11               11(0)     1.00           2015-      Active
KT-2                 1(0)     1.00           2017-      Active
KZ-11                1(1)     0.00           2020-      Active
---------------------------------------------------------------------------


Delta 4M             4(0)     1.00           2003-2006   
Delta 4M+4,2        15(0)     1.00           2002-2019
Delta 4M+5,2         2(0)     1.00           2012-2018
Delta 4M+5,4         8(0)     1.00           2009-2019
(ALL DELTA 4M       29(0)     1.00    .97)
Delta 4H            12(1)     0.92           2004-      Active
(ALL DELTA 4        41(1)     0.98    .95)


Heritage (Thor) Delta (See Thor)


Rocket Lab (New Zealand)
--------------------------------------------------------------------------
Electron/Curie      17(2)      .88           2017-      Active
--------------------------------------------------------------------------


  Emeraude-Based Launchers (France)
--------------------------------------------------------------------------
Emeraude (1-stg)     5(3)      .40           1964-1965  Suborbital
Saphir (2-stg)      15(2)      .87           1965-1967  Suborbital
Diamant (3-stg)     12(3)      .75           1965-1975
(EMERAUDE TOTALS    32(8)      .75    .75)
--------------------------------------------------------------------------


Energia              2(1)      .50           1987-1988

Epsilon              4(0)     1.00           2013-      Active


  SpaceX Falcon Launchers
--------------------------------------------------------------------------
Falcon 1             5(3)      .40           2006-2009
Falcon 9 V1.0        5(1)      .80           2010-2013      
Falcon 9 v1.1       15(1)      .93           2013-2016
Falcon 9 v1.2       82(0)[b]  1.00    .98    2015-      Active
Falcon 9 v1.2 (sub)  1(0)     1.00           2020-2020  Suborbital
(ALL FALCON 9 ORB  102(2)      .98    .97) 
(ALL FALCON 9      103(2)      .98    .97)
Falcon Heavy         3(0)     1.00           2018-      Active
(ALL FALCON        106(5)      .95    .94)

[b] Does not include 2016 F9-29 explosion during pre-launch static test.
--------------------------------------------------------------------------


GSLV Mk3-x           1(0)      1.00           2014-2014  Suborbital
GSLV Mk3             3(0)      1.00           2017-      Active
(GSLV Mk3 TOTAL      4(0)      1.00    .80)


H-1   (NASDA)  (See Thor)

H-2(S)(NASDA)        7(2)       .71           1994-1999
H-2A-202            29(0)      1.00    .97    2001-      Active
H-2A-2022            3(0)      1.00           2005-2007
H-2A-2024            7(1)       .86           2002-2008
H-2A-204             4(0)      1.00           2006-      Active
(H-2A TOTAL (JAXA)  43(1)       .98    .96)
(ALL H-2(A)         50(3)       .94    .92)

H-2B-304 (JAXA)      9(0)      1.00           2009-2020

Jupiter IRBM        36(8)       .78    .78    1957-1962  Suborbital
Jupiter Juno 2      10(6)       .40           1958-1961
(ALL JUPITER        46(14)      .70    .70)

KSLV-2-TLV           1(0)      1.00           2018-2018  Suborbital

LauncherOne          1(1)      0.00           2020-      Active

L4/M4 (ISAS)         9(5)       .44           1966-1972
M3 (ISAS)           19(2)       .90           1974-1995
M5 (ISAS)            7(1)       .86           1997-2006
SS-520 2-stg (ISAS)  2(0)      1.00           1998-      Suborbital
SS-520 3-stg (ISAS)  2(1)       .50           2017-2018

Minuteman 1A        82(9)       .89    .89    1959-1966  Suborbital
Minuteman 1B       298(9)       .97    .97    1962-1993  Suborbital
Minuteman 2        187(2)       .99    .98    1964-2001  Suborbital
Minotaur 2           7(0)      1.00           2000-2008  Suborbital
Minotaur 2+          1(0)      1.00           2008-2008  Suborbital
Minuteman 3        314(7)       .98    .97    1968-      Suborbital
M55E1/HOE            7(0)      1.00           1970-1984  Suborbital
Minotaur 1          11(0)      1.00           2000-      Active
(M55 ORBITAL        11(0)      1.00       )
(ALL M55           909(27)      .97    .97)

MX ICBM             51(1)       .98    .96    1983-2004  Suborbital
Minotaur 4 Lite      2(0)      1.00           2010-      Suborbital
Minotaur 4           4(0)      1.00           2010-      Active
Minotaur 4+          1(0)      1.00           2011-      Active
Minotaur 5           1(0)      1.00           2013-      Active
ATB                  1(0)      1.00           2019-2019  Suborbital
(MX ORBITAL          6(0)      1.00       )
(ALL MX             60(1)       .98    .97) 


N-1 (USSR)           4(4)       .00    .25   1969-1972


NASDA N-1, N-2 (See Thor)


Pegasus 1Stg-Suborb  3(1)       .67           2001-2004
Pegasus              6(2)       .67           1990-1994 
Pegasus H            4(0)      1.00           1995-2000
Pegasus XL          34(3)       .91    .91    1994-      Active
OBV (3-stg Suborb)  16(0)      1.00    .94    2003-      Active
OBV (2-stg Suborb)   1(0)      1.00           2010-      Active
(ALL PEGASUS ORB    44(5)       .89    .88)
(ALL PEGASUS        64(6)       .91    .90)


Proton (2-stg)       4(1)       .75           1965-1966
Proton K (3-stg)    29(3)       .90    .90    1967-2000
Proton K (3-stg)     1(0)      1.00           1970-1970  Suborbital
Proton K/D          39(15)      .62    .62    1967-1975
Proton K/DM         66(6)       .91    .90    1974-1990
Proton K/D-1        11(0)      1.00           1976-1989
Proton K/D-2         3(1)       .67           1988-1996
Proton K/DM-2      109(8)       .93    .92    1982-2012
Proton K/DM-2M      42(2)       .95    .93    1994-2006
Proton K/17S40       6(0)      1.00           1997-2002
Proton K/Briz M      4(1)       .75           1999-2003
Proton M/Briz M     99(9)       .91    .90    2001-      Active
Proton M/DM-2        6(0)      1.00           2007-2010
Proton M/DM-03       5(2)       .60           2010-      Active
(ALL PROTON ORB    423(48)      .89    .89
(ALL PROTON        424(48)      .89    .89)


 R-7 (Semyorka) Variants
------------------------------------------------------------------------
8K71 R-7            26(9)       .65    .64    1957-1960 Suborbital
8K74 R-7A           28(2)       .93    .90    1959-1967 Suborbital
8K71(PS)Sputnik      4(1)       .75           1957-1958
11A59 Sputnik        2(0)      1.00           1965-1966

8K78 Molniya        36(18)      .50    .50    1960-1967
8K78 Molniya L       4(3)       .25           1963-1965
8K78M Molniya M    280(12)      .96    .95    1965-2010
(ALL MOLNIYA       320(33)      .90    .89)

Soyuz Variants
11A511 Soyuz *      31(1)       .97    .94    1966-1976  SEE NOTE 3
11A511L              3(0)      1.00           1970-1971
11A511M              8(0)      1.00           1971-1975
11A511U            612(18)      .97    .97    1973-2017      
11A511U Soyuz **    52(1)       .98    .96    1974-2002  SEE NOTE 3
11A511U Progress   112(2)       .98    .97    1978-2017  
11A511U Ikar         6(0)      1.00           1999-1999
11A511U Fregat       4(0)      1.00           2000-2000
11A511U2             8(0)      1.00           1982-1994
11A511U2 Soyuz ***  26(0)      1.00    .96    1985-1995
11A511U2 Progress   38(0)      1.00    .97    1984-1993
11A511FG Progress    4(0)      1.00           2001-2018
11A511FG Soyuz +    56(1)       .98    .96    2002-2019
11A511FG Fregat     10(0)      1.00           2003-2012
14A14 2-1A           1(0)      1.00           2004-2004  Suborbital
14A14 2-1A           6(0)      1.00           2013-      Active
14A14A 2-1A Progres 13(1)       .92           2015-      Active
14A14A 2-1A Soyuz++  3(0)      1.00           2019-      Active
14A14 2-1A Fregat   26(1)       .96    .93    2006-      Active
14A14 2-1A Volga     1(0)      1.00           2016-      Active
14A14 2-1B           9(0)      1.00           2008-      Active
14A14 2-1B Fregat   48(3)       .94    .92    2006-      Active
(SOYUZ ORBITAL    1076(28)      .97    .97)
(ALL SOYUZ        1077(28)      .97    .97)

*  19(1) Crewed Soyuz, 12(0) Uncrewed Soyuz
** 42(1) Crewed Soyuz, 10(0) Uncrewed Soyuz
***25(0) Crewed Soyuz,  1(0) Uncrewed Soyuz
+  56(1) Crewed Soyuz
++  2(0) Crewed Soyuz,  1(0) Uncrewed Soyuz

Voskhod 11A57      294(13)      .96    .95    1963-1976
Voskhod 11A57 ***    5(0)      1.00           1964-1966
(ALL VOSKHOD       299(13)      .96    .95)
 
*** 2/2 Crewed Voskhod, 3/3 Uncrewed Voskhod
 
Vostok 8K72 Luna     9(6)       .33           1958-1960
Vostok 8K72 #        4(1)       .75           1960-1960
Vostok 8K72K ##     13(2)       .85    .85    1960-1963
Vostok-2  8A92      45(5)       .89    .89    1962-1967
Vostok-2A 11A511     2(0)      1.00           1965-1966
Vostok-2M 8A92M     93(1)       .98    .97    1967-1991  SEE NOTE 3
(ALL VOSTOK        166(15)      .91    .90) 

#  4(1) Uncrewed Vostok
## 3(1) Uncrewed Vostok, 6/6 Crewed Vostok

(ALL R-7 ORBITAL  1867(90)      .95    .95)
(ALL R-7          1922(101)     .95    .95)
NOTE 3:  Totals do not include three vehicles destroyed on pad, as 
         follows.
12/14/66 11A511 Soyuz: Escape tower fired 27 minutes after abort.
03/18/80 8A92M Vostok-2M:  Fueling accident explosion at PL killed 48.
09/26/83 11A511U Soyuz-U, Soyuz T-10-1: Pad fire T-90sec, crew saved by 
           escape tower but launch vehicle destroyed.
------------------------------------------------------------------------


Soyuz 132KC (NK-33A Powered) Stage Based Launchers
-------------------------------------------------------------------------
Soyuz 2-1v/Volga     5(1)       .80           2013-      Active
Soyuz 2-1v           1(0)      1.00           2013-      Active
(ALL SOYUZ 2-1v      6(1)       .83    .75)
-------------------------------------------------------------------------


  R-12 Based Launchers
--------------------------------------------------------------------------
R-12 IRBM           14(1)       .93    .88    1957-1969  Suborbital
Kosmos 2 (R-12)     38(12)      .68    .68    1961-1967
Kosmos 2M (R-12)   126(8)       .94    .93    1967-1977
(R-12 ORBITAL      164(20)      .88    .87)
(R-12 TOTAL        178(21)      .88    .88)
--------------------------------------------------------------------------


  R-14 Based Launchers
--------------------------------------------------------------------------
R-14 IRBM           82(7)       .91    .90    1960-1965  Suborbital
K65M-R             326(U)       .UU    .UU    1973-2006  Suborbital
K65M-RB              6(0)      1.00           1980-1988  Suborbital
K65M-RB              4(0)      1.00           1982-1984
K65UP Vertikal'     25(U)       .UU    .UU    1973-1983  Suborbital
Kosmos 3 (R-14)      2(0)      1.00           1967-1968  Suborbital
Kosmos 3 (R-14)     12(3)       .75    .75    1964-1968
Kosmos 3M          446(23)      .95    .95    1967-2010
(R-14 ORBITAL      461(26)      .94    .94) 
(R-14 TOTAL        902(U)       .UU    .UU)
--------------------------------------------------------------------------

  R-29 (SLBM)-Based Launchers
--------------------------------------------------------------------------
R-29 Vysota SLBM    30(0)*     UUUU    UUU    1969-1997  Suborbital
R-29R Volna SLBM    43(0)*     UUUU    UUU    1975-      Suborbital
R-29R Volna Orbit    1(1)      0.00           2005-2005
R-29RM Shitl SLBM   28(0)*     UUUU    UUU    1983-      Suborbital
R-29RM Shtil Orbit   2(0)      1.00           1998-      Active
R-29RMU(2) Sineva   18(1)      0.94           2004-      Suborbital
R-29RMU2.1 Liner     2(0)      1.00           2011-      Suborbital 
(R-29 ORBITAL        3(1)      0.67       ) 
(R-29 TOTAL        UUU(U)       .UU    .UU)  
--------------------------------------------------------------------------
*Partial Data

  R-36(M)-Based Launchers
--------------------------------------------------------------------------
R-36 ICBM          149(18)      .88    .88    1963-1975  Suborbital
Tsyklon R-36-0      23(1)       .96    .92    1965-1971
Tsyklon 2A           8(2)       .75           1967-1969
Tsyklon 2 (Test)     1(0)      1.00           1969-1969  Suborbital
Tsyklon 2          105(1)       .99    .98    1969-2006
Tsyklon 3          122(8)       .93    .93    1977-2009
R-36M(U)ICBM       145(12)      .90    .90    1971-1997  Suborbital
Dnepr 1 (R-36MU)    22(1)       .95    .92    1999-2015
R-36M2 ICBM         38(6)       .84    .84    1986-2013  Suborbital
(R-36(M) ORBITAL   280(13)      .95    .95) 
(R-36(M) TOTAL     613(49)      .92    .92)
--------------------------------------------------------------------------


Redstone IRBM       75(20)      .73    .73    1953-1965  Suborbital
Redstone Sparta      9(1)       .89           1966-1967  Suborbital
Redstone Sparta Sat  1(0)      1.00           1967-1967  
Redstone Jupiter-C   3(1)       .67           1956-1957  Suborbital
Redstone Juno 1      6(4)       .33           1958-1958
Redstone (MR)        6(2)       .67           1960-1961  Suborbital
(REDSTONE SPACE     13(6)       .54    .54)
(ALL REDSTONE      100(28)      .72    .72)
 

Safir (Iran)         8(4)       .57           2008-
Qased (Iran)         1(0)      1.00           2020-    
NOTE:  Total does not include a 2019 propellant loading accident 
       that destroyed a Safir.  
    
Saturn 1 Blk 1       4(0)      1.00           1961-1963  Suborbital
Saturn 1 Blk 2       6(0)      1.00           1964-1965
Saturn 1B            2(0)      1.00           1966-1966  Suborbital
Saturn 1B Apollo     7(0)      1.00           1966-1975
Saturn 5            13(1)       .92    .87    1967-1973


Scout Suborbital
 Blue Scout          5(2)       .60           1960-1962
 Scout X1-X2         6(3)       .50           1960-1962
 Scout X3-X5         8(2)       .75           1962-1968
 Scout A-B           5(0)      1.00           1967-1971
 Scout D             1(0)      1.00           1976-1976
(ALL SCOUT SUBORB   25(7)       .72    .70)
Scout Orbital
 Blue Scout          1(1)       .00           1961-1961
 Scout X1-X2         9(7)       .22           1960-1963
 Scout X3-X5        18(2)       .89    .89    1962-1968
 Scout A-B          37(3)       .92    .90    1965-1976
 Scout D-G          35(2)       .94    .92    1972-1994
(ALL SCOUT ORBIT   100(15)      .85    .84)
(ALL SCOUT TOTAL   125(22)      .82    .82)

Jericho 2            U(U)       .UU    .UU    1987-      Suborbital 
Shavit               2(0)      1.00           1988-1990
Shavit 1             5(3)       .40           1994-2004
Shavit 2             5(0)      1.00           2007-      Active
(ALL SHAVIT ORBIT   12(3)       .70       )
(ALL JERICHO 2     UUU(U)       .UU    .UU)


Simorgh (Iran)       2(1)       .50           2016-      Suborbital*     
Simorgh (Iran)       2(2)      1.00           2019-
   *2017 may have been failed orbit attempt

   SLV-Based Launchers
---------------------------------------------------------------------
SLV-3                3(2)       .33           1979-1983
ASLV                 4(3)       .25           1987-1994
PSLV                12(2)       .83           1993-2016
PSLV-CA             14(0)      1.00           2008-      Active
PSLV-XL             22(1)       .95    .92    2008-      Active
PSLV-DL              2(0)      1.00           2019-      Active
PSLV-QL              2(0)      1.00           2019-      Active
(PSLV TOTAL         52(3)       .94    .93)

GSLV                 6(4)       .33           2001-2010
GSLV Mk2             7(1)       .86           2010-      Active
(GSLV TOTAL         13(5)       .62    .62)
----------------------------------------------------------------------



Space Shuttle      135(3)       .98    .97    1981-2011

Super Strypi         1(1)       .00           2015-2015

Taepo Dong 2 (Unha)  5(3)       .40           2006-


Taurus (Darpa)       3(0)      1.00           1994-2000
Taurus-120           6(3)       .50           1998-2011
Minotaur-C           1(0)      1.00           2017-      Active
(ALL TAURUS         10(3)       .70    .70)


   Thor-Based Launchers
-------------------------------------------------------------------------
Thor IRBM           70(22)      .69    .69    1957-1962  Suborbital
Thor Sub. Test      34(7)       .79    .79    1962-1975  Suborbital
Thor Able            9(2)       .78           1956-1959  Suborbital
Thor Able            7(4)       .43           1958-1960  Orbital
Thor Able Star      19(7)       .63    .63    1960-1965
Thor Agena A        15(7)       .53    .53    1959-1960  SEE NOTE 4
Thor Agena B        43(8)       .81    .81    1960-1965
TA-Thor Agena B      2(0)      1.00           1963-1966
Thor Agena D        21(5)       .76    .76    1962-1965
TA-Thor Agena D     61(4)       .93    .92    1963-1968
Thorad Agena D      43(2)       .95    .93    1966-1972 
Thor Burner 1        6(1)       .83           1965-1966 
Thor Burner 2       20(1)       .95    .91    1966-1976
Thor DSV2U           5(1)       .80           1976-1979
(THOR ORBITAL      242(40)      .83    .83)
(ALL THOR          355(71)      .80    .80)

   Delta Variants
Delta               65(4)       .94    .93    1960-1972
Delta LT            28(4)       .86    .83    1968-1973
Delta ELT           93(4)       .96    .95    1972-1990
Delta 2 XLT        155(2)       .99    .98    1989-2018
Delta 3              3(2)       .33           1998-2000
(ALL DELTA         344(16)      .95    .95)

   NASDA-Liscensed Thor-Based
N-1   (NASDA)        7(1)       .86           1975-1982
N-2   (NASDA)        8(0)      1.00           1981-1987
H-1   (NASDA)        9(0)      1.00           1986-1992 

   THOR-BASED GRAND TOTALS 
(ALL THOR ORBITAL  610(57)      .91    .91)
(ALL THOR          723(88)      .88    .88)
NOTE 4:  Thor vehicles destroyed in ground accidents are not
included in these totals.  These include one Thor IRBM (1957)
and one Thor Agena A (1959)  
-----------------------------------------------------------------------
   Titan-Based Launchers
-----------------------------------------------------------------------
Titan 1 ICBM        67(29)      .57    .57    1959-1965  SEE NOTE 2
Titan 2 ICBM        81(19)      .77    .77    1962-1976  Suborbital
Titan 2 Gemini       1(0)      1.00           1964-1964  Suborbital
Titan 2 Gemini      11(0)      1.00    .92    1964-1966
Titan 23G/(Star)    13(1)       .92    .87    1988-2003
Titan 3A             4(1)       .75           1964-1965
Titan 3B Agena D    68(5)       .93    .91    1966-1987
Titan 3C            36(6)       .81    .81    1965-1982
Titan 3D            22(0)      1.00    .96    1971-1982
Titan 3E Centaur     7(1)       .86           1974-1977
Titan 34D TS/IUS     8(2)       .75           1982-1989
Titan 34D 2.5 stg    7(1)       .86           1983-1988
Titan 3 Commercial   4(1)       .75           1990-1992
Titan 4A IUS         3(0)      1.00           1989-1994
Titan 4A 2.5 stg    10(1)       .90    .83    1990-1997
Titan 4A Centaur     9(1)       .89           1994-1998
Titan 4B 2.5 stg     5(0)      1.00           1999-2005
Titan 4B IUS         5(1)       .80           1997-2004 
Titan 4B Centaur     7(1)       .86           1997-2003
(ALL TITAN SPACE   219(22)      .90    .90)  
(ALL TITAN         368(70)      .81    .81)             
NOTE 2:  Suborbital ICBM flights.  Does not include one 
Titan 1 (V-2) destroyed during launch rehearsal in 
Vandenberg Operational Suitability Test Facility (OSTF) 
on 12/3/1960.  Cause was failed control valve in silo 
launch platform hydraulic elevator system.  This Titan 
was not launched and is not included in most Titan 
launch summaries.
-----------------------------------------------------------------------


  RT-2PM (Topol') Based Launchers
-----------------------------------------------------------------------
Topol' ICBM        105(2)       .98    .97    1981-      Suborbital
Topol'-M ICBM       23(1)       .95    .92    1994-      Suborbital
Topol'-E             5(2)       .60           2014-      Suborbital
Yars (RS24, MIRV)   13(0)      1.00           2007-      Suborbital
Bulava SLBM         38(10)      .74    .74    2005-      Suborbital
Rubezh (RS26,MIRV)   5(1)       .80           2011-      Suborbital
Start   (5-stg)      1(1)       .00           1995-1995
Start-1 (4-stg)      6(0)      1.00           1993-2006
(ALL TOPOL' ORBIT    7(1)       .86       )
(ALL TOPOL'        186(18)      .90    .90)
-----------------------------------------------------------------------
  UR-100N (RS-18/SS-19) Based Launchers
--------------------------------------------------------------------------
UR-100N ICBM       161(13)      .92    .91    1972-2019  Suborbital
Rokot Briz K         2(0)      1.00           1990-1991  Suborbital
Rokot Briz K         1(0)      1.00           1994-1994
Rokot Briz KM       31(2)       .93    .90    2000-2019
Strela (RS-18 Orb)   3(0)      1.00           2003-2019
(UR-100N ORB TOTAL  35(2)       .94    .91)
(UR-100N TOTAL     198(15)      .92    .92)
--------------------------------------------------------------------------
Vanguard             3(0)      1.00           1956-1957  Suborbital
Vanguard            11(8)       .27    .33    1957-1959  Orbital


Vega                16(2)       .88           2012-      Active
Vega Suborbital      1(0)      1.00           2015-2015  Suborbital
(VEGA TOTAL         17(2)       .88       )


VLS                  2(2)       .00           1997-1999


Zenit 2             36(8)       .78    .78    1985-2004
Zenit 2M             1(0)      1.00           2007-2007
Zenit 2SB            1(0)      1.00           2011-2011
Zenit 3SL           36(4)       .89    .89    1999-2014
Zenit 3SLB           6(1)       .83           2008-2013
Zenit 3F             4(0)      1.00           2011-2015
(ALL ZENIT         84(13)       .85    .85)  
===============================================================
    
  * Lewis Point Estimate Determined as Follows.
  
  Maximum Liklihood Estimate (MLE)= x/n 
      where x=success, n=tries
  For MLE<=0.5, use Wilson Method = (x+2)/(n+4)
  For MLE Between 0.5 and 0.9, use MLE = x/n
  For MLE>=0.9, use Laplace Method = (x+1)/(n+2)
 
  Lewis, J. & Lauro, J., "Improving the Accuracy of Small-Sample 
   Estimates of Completion Rates", Journal of Usability Studies, 
   Issue 3, Vol. 1, May 2006, pp. 136-150.