Launch Vehicle Results
Summary: 1957 through December 31 2013. By Ed Kyle. Updated 01/04/2014 Vehicle Successes Tries Realzd Pred Years Status
Rate Rate*
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Angara KSLV-1 1 3 .33 .40 2009-2013
Antares 110 2 2 1.00 .75 2013-2013
Ariane 1 9 11 .82 .77 1979-1986
Ariane 2 5 6 .83 .75 1986-1989
Ariane 3 10 11 .91 .85 1984-1989
Ariane 4 113 116 .97 .97 1988-2003
(ARIANE 1-4 TOTAL 137 144 .95 .95)
Ariane 5G 13 16 .81 .78 1996-2003
Ariane 5G+ 3 3 1.00 .80 2004-2004
Ariane 5GS 6 6 1.00 .88 2005-2009
Ariane 5ECA 41 42 .98 .95 2002- Active
Ariane 5ES 4 4 1.00 .83 2008- Active
(ARIANE 5 TOTAL 67 71 .94 .93)
Athena 1 3 4 .75 .67 1995-2001
Athena 2 2 3 .67 .60 1998-1999
(ATHENA TOTAL 5 7 .71 .67)
Atlas 5-401 18 19 .95 .90 2002- Active
Atlas 5-411 3 3 1.00 .80 2006- Active
Atlas 5-421 3 3 1.00 .80 2007- Active
Atlas 5-431 2 2 1.00 .75 2005- Active
Atlas 5-501 5 5 1.00 .86 2010- Active
Atlas 5-521 2 2 1.00 .75 2003- Active
Atlas 5-531 3 3 1.00 .80 2010- Active
Atlas 5-541 1 1 1.00 .67 2011- Active
Atlas 5-551 4 4 1.00 .83 2006- Active
(ATLAS 5 TOTAL 41 42 .98 .95)
Heritage Atlas
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Atlas ICBM 180 247 .73 .73 1957-1975 Suborbital
Atlas Able 0 3 .00 .17 1959-1960 SEE NOTE 1
Atlas Agena A 2 4 .50 .50 1960-1961
Atlas Agena B 22 29 .76 .74 1961-1966
Atlas Agena D 70 76 .92 .91 1963-1977
(All Atlas Agena 94 109 .86 .86)
Atlas Altair 3 1 1 1.00 .67 1990-1990
Atlas Antares 2 2 2 1.00 .75 1964-1965 Suborbital
Atlas ATDA 1 1 1.00 .67 1966-1966
Atlas Burner 2 1 2 .50 .50 1968-1972
LV-3C Centaur A-C 1 5 .20 .26 1962-1965
LV-3C Centaur D 6 7 .86 .78 1965-1967
SLV-3C Centaur D 14 17 .82 .79 1967-1972
SLV-3D Centaur D1 30 32 .93 .91 1973-1983
G Centaur D1AR 5 7 .71 .67 1984-1989
Atlas 1 Centaur 8 11 .73 .69 1990-1997
Atlas 2 Centaur 10 10 1.00 .92 1991-1998
Atlas 2A Centaur 23 23 1.00 .96 1992-2002
Atlas 2AS Centaur 30 30 1.00 .97 1993-2004
Atlas 3A Centaur 2 2 1.00 .75 2000-2004
Atlas 3B Centaur 4 4 1.00 .83 2002-2005
(ALL ATLAS CNTAUR 133 148 .90 .89)
Atlas Mercury 1 3 .33 .40 1959-1961 Suborbital
Atlas Mercury 6 7 .86 .78 1961-1963 Orbital
Atlas OIS 2 2 1.00 .75 1979-1985
Atlas OV-1 7 11 .64 .62 1965-1971
Atlas Prime 3 3 1.00 .80 1966-1967 Suborbital
Atlas PTS/MSD 9 10 .90 .83 1974-1987 (NOSS)
Atlas B Score 1 1 1.00 .67 1958-1958
Atlas Star 18 20 .90 .86 1975-1995
Atlas SGS 11 12 .92 .86 1977-1985
(ATLAS ORBITAL 284 326 .87 .87)
(ALL ATLAS 470 582 .81 .81)
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.
Totals also do not include four Atlas ICBMs destroyed in ground
accidents (one in 1963, three in 1964).
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Black Arrow (UK) 1 2 .50 .50 1969-1970 Suborbital
Black Arrow (UK) 1 2 .50 .50 1970-1970
(BLACK ARROW TOTAL 2 4 .50 .50)
Blue Streak Based Launchers
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Blue Streak (1 stg) 5 5 1.00 .86 1964-1966 Suborbital
Europa (2 stg Test) 0 2 .00 .25 1967-1967 Suborbital
Europa (I/II) 0 4 .00 .17 1968-1971
(BLUE STREAK TOTAL 5 11 .45 .46)
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Conestoga 0 1 .00 .33 1995-1995
DF-3 Based Launchers (China)
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DF-3 IRBM 3 3 1.00 .80 1966-1970 Suborbital
CZ-1 2 2 1.00 .75 1970-1971
CZ-1D 2 3 .67 .60 1995-2002 Suborbital
(DF-3 ORBITAL 2 2 1.00 .75)
(DF-3 TOTAL 7 8 .88 .80)
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DF-5 Based Launchers (China)
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DF-5 ICBM 9 9 1.00 .91 1971-1981 Suborbital
DF-5B ICBM 1 1 1.00 .67 2012- Suborbital
FB-1 3 3 1.00 .80 1972-1978 Suborbital
FB-1 4 8 .50 .50 1973-1981
CZ-2(C)(SD/SM) 40 41 .98 .95 1974- Active
CZ-2D 20 20 1.00 .95 1992- Active
CZ-2E 5 7 .71 .67 1990-1995
CZ-2F 11 11 1.00 .92 1999- Active
CZ-3 10 13 .77 .73 1984-2000
CZ-3A 23 23 1.00 .96 1995- Active
CZ-3B 24 26 .92 .89 1996- Active
CZ-3C 10 10 1.00 .92 2008- Active
CZ-4(A/B/C) 34 35 .97 .95 1988- Active
(DF-5 ORBITAL 180 194 .93 .92)
(DF-5 TOTAL 193 207 .93 .93)
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DF-31 Based Launchers (China)
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DF-31 IRBM 13 13 1.00 .91 1992- Suborbital
KT-1 (DF-31) 0 2 .00 .25 2002-2003
KP-7 (DF-31) 1 1 1.00 .67 2013- Suborbital
(DF-31 TOTAL 14 16 .88 .83)
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Delta 4M 3 3 1.00 .80 2003- Active
Delta 4M+4,2 9 9 1.00 .91 2002- Active
Delta 4M+5,2 1 1 1.00 .67 2012- Active
Delta 4M+5,4 4 4 1.00 .83 2009- Active
Delta 4H 6 7 0.86 .78 2004- Active
(ALL DELTA IV CBC 23 24 0.96 .92)
Heritage (Thor) Delta (See Thor)
Emeraude-Based Launchers (France)
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Emeraude (1-stg) 2 5 .40 .43 1964-1965 Suborbital
Saphir (2-stg) 13 15 .87 .82 1965-1967 Suborbital
Diamant (3-stg) 9 12 .75 .71 1965-1975
(EMERAUDE TOTALS 24 32 .75 .74)
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Energia 1 2 .50 .50 1987-1988
Epsilon 1 1 1.00 .67 2013- Active
SpaceX Falcon Launchers
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Falcon 1 2 5 .40 .43 2006-2009
Falcon 9 V1.0 4 5 .80 .71 2010-2013
Falcon 9 v1.1 2 2 1.00 .75 2013- Active
(ALL FALCON 9 6 7 .86 .78)
(ALL FALCON 8 12 .67 .64)
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H-1 (NASDA) (See Thor)
H-2(S)(NASDA) 5 7 .71 .67 1994-1999
H-2A-202 11 11 1.00 .92 2001- Active
H-2A-2022 3 3 1.00 .80 2005- Active
H-2A-2024 6 7 .86 .78 2002- Active
H-2A-204 1 1 1.00 .67 2006- Active
(H-2A TOTAL (JAXA) 21 22 .95 .92)
(ALL H-2(A) 26 29 .90 .87)
H-2B-304 (JAXA) 4 4 1.00 .83 2009- Active
Jupiter IRBM 28 36 .78 .76 1957-1962 Suborbital
Jupiter Juno 2 4 10 .40 .42 1958-1961
(ALL JUPITER 32 46 .70 .69)
Kuaizhou (China) 1 1 1.00 .67 2013- Active
L4/M4 (ISAS) 4 9 .44 .45 1966-1972
M3 (ISAS) 17 19 .90 .86 1974-1995
M5 (ISAS) 6 7 .86 .78 1997-2006
Minuteman 1A 73 82 .89 .88 1959-1966 Suborbital
Minuteman 1B 289 298 .97 .97 1962-1993 Suborbital
Minuteman 2 185 187 .99 .98 1964-2001 Suborbital
Minotaur 2 7 7 1.00 .89 2000- Suborbital
Minotaur 2+ 1 1 1.00 .67 2008- Suborbital
Minuteman 3 283 289 .98 .98 1968- Suborbital
M55E1/HOE 7 7 1.00 .89 1970-1984 Suborbital
Minotaur 1 11 11 1.00 .92 2000- Active
(M55 ORBITAL 11 11 1.00 .92)
(ALL M55 858 884 .97 .97)
MX ICBM 50 51 .98 .96 1983-2004 Suborbital
Minotaur 4 Lite 2 2 1.00 .75 2010- Suborbital
Minotaur 4 2 2 1.00 .75 2010- Active
Minotaur 4+ 1 1 1.00 .67 2011- Active
Minotaur 5 1 1 1.00 .67 2013- Active
(MX ORBITAL 4 4 1.00 .83)
(ALL MX 56 57 .98 .97)
N-1 (USSR) 0 4 .00 .17 1969-1972
NASDA N-1, N-2 (See Thor)
Pegasus 1Stg-Suborb 2 3 .67 .60 2001-2004
Pegasus 4 6 .67 .63 1990-1994
Pegasus H 4 4 1.00 .83 1995-2000
Pegasus XL 29 32 .91 .88 1994- Active
OBV (3-stg Suborb) 11 11 1.00 .92 2003- Active
OBV (2-stg Suborb) 1 1 1.00 .67 2010- Active
(ALL PEGASUS ORB 37 42 .88 .86)
(ALL PEGASUS 51 57 .89 .88)
Proton (2-stg) 3 4 .75 .67 1965-1966
Proton K (3-stg) 27 30 .90 .88 1967-2000
Proton K/D 24 39 .62 .61 1967-1975
Proton K/DM 60 66 .91 .90 1974-1990
Proton K/D-1 11 11 1.00 .92 1976-1989
Proton K/D-2 3 4 .75 .67 1988-1996
Proton K/DM-2 101 109 .93 .92 1982-2012
Proton K/DM-2M 40 42 .95 .93 1994-2006
Proton K/17S40 6 6 1.00 .88 1997-2002
Proton K/Briz M 3 4 .75 .67 1999-2003
Proton M/Briz M 65 71 .92 .90 2001- Active
Proton M/DM-2 6 6 1.00 .88 2007- Active
Proton M/DM-03 0 2 .00 .25 2010- Active
(ALL PROTON 348 393 .89 .88)
R-7 (Semyorka) Variants
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8K71 R-7 17 26 .65 .64 1957-1960 Suborbital
8K74 R-7A 26 28 .93 .90 1959-1967 Suborbital
8K71(PS)Sputnik 3 4 .75 .67 1957-1958
11A59 Sputnik 2 2 1.00 .75 1965-1966
8K78 Molniya 18 36 .50 .50 1960-1967
8K78 Molniya L 1 4 .25 .33 1963-1965
8K78M Molniya M 268 280 .96 .95 1965-2010
(ALL MOLNIYA 287 320 .90 .89)
Soyuz Variants
11A511 Soyuz * 30 31 .97 .94 1966-1976 SEE NOTE 3
11A511L 3 3 1.00 .80 1970-1971
11A511M 8 8 1.00 .90 1971-1975
11A511U 593 611 .97 .97 1973- Active
11A511U Soyuz ** 51 52 .98 .96 1974-2002 SEE NOTE 3
11A511U Progress 102 103 .99 .98 1978- Active
11A511U Ikar 6 6 1.00 .88 1999-1999
11A511U Fregat 4 4 1.00 .83 2000-2000
11A511U2 8 8 1.00 .90 1982-1994
11A511U2 Soyuz *** 26 26 1.00 .96 1985-1995
11A511U2 Progress 38 38 1.00 .97 1984-1993
11A511FG Progress 3 3 1.00 .80 2001-2002
11A511FG Soyuz + 33 33 1.00 .97 2002- Active
11A511FG Fregat 10 10 1.00 .92 2003- Active
14A14 2-1A 1 1 1.00 .67 2004-2004 Suborbital
14A12 2-1A 1 1 1.00 .67 2013- Active
14A14 2-1A Fregat 12 13 .92 .87 2006- Active
14A14 2-1B 3 3 1.00 .80 2008- Active
14A14 2-1B Fregat 10 11 .91 .85 2006- Active
(SOYUZ ORBITAL 941 964 .98 .98)
(ALL SOYUZ 942 965 .98 .98)
* 18/19 Crewed Soyuz, 12/12 Uncrewed Soyuz
** 41/42 Crewed Soyuz, 10/10 Uncrewed Soyuz
***25/25 Crewed Soyuz, 1/1 Uncrewed Soyuz
+ 33/33 Crewed Soyuz
Voskhod 11A57 281 294 .96 .95 1963-1976
Voskhod 11A57 *** 5 5 1.00 .86 1964-1966
(ALL VOSKHOD 286 299 .96 .95)
*** 2/2 Crewed Voskhod, 3/3 Uncrewed Voskhod
Vostok 8K72 Luna 3 9 .33 .36 1958-1960
Vostok 8K72 # 3 4 .75 .67 1960-1960
Vostok 8K72K ## 11 13 .85 .80 1960-1963
Vostok-2 8A92 40 45 .89 .87 1962-1967
Vostok-2A 11A511 2 2 1.00 .75 1965-1966
Vostok-2M 8A92M 92 93 .98 .97 1967-1991 SEE NOTE 3
(ALL VOSTOK 151 166 .91 .90)
# 3/4 Uncrewed Vostok
## 2/3 Uncrewed Vostok, 6/6 Crewed Vostok
(ALL R-7 ORBITAL 1670 1755 .95 .95)
(ALL R-7 1714 1810 .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.
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Soyuz 132KC (NK-33A Powered) Stage Based Launchers
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Soyuz 2-1v/Volga 1 1 1.00 .67 2013- Active
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R-12 Based Launchers
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R-12 IRBM 13 14 .93 .88 1957-1969 Suborbital
Kosmos 2 (R-12) 26 38 .68 .68 1961-1967
Kosmos 2M (R-12) 118 126 .94 .93 1967-1977
(R-12 ORBITAL 144 164 .88 .87)
(R-12 TOTAL 157 178 .88 .88)
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R-14 Based Launchers
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R-14 IRBM 75 82 .91 .90 1960-1965 Suborbital
K65M-R UUU 326 .UU .UU 1973-2006 Suborbital
K65M-RB 6 6 1.00 .88 1980-1988 Suborbital
K65M-RB 4 4 1.00 .83 1982-1984
K65UP Vertikal' UUU 25 .UU .UU 1973-1983 Suborbital
Kosmos 3 (R-14) 2 2 1.00 .75 1967-1968 Suborbital
Kosmos 3 (R-14) 9 12 .75 .71 1964-1968
Kosmos 3M 423 446 .95 .95 1967-2010
(R-14 ORBITAL 435 461 .94 .94)
(R-14 TOTAL UUU 902 .UU .UU)
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R-29 (SLBM)-Based Launchers
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R-29 Vysota SLBM 30* 30* UUUU UUU 1969-1997 Suborbital
R-29R Volna SLBM 38* 38* UUUU UUU 1975- Suborbital
R-29R Volna Orbit 0 1 0.00 .33 2005- Active
R-29RM Shitl SLBM 24* 24* UUUU UUU 1983- Suborbital
R-29RM Shtil Orbit 2 2 1.00 .75 1998- Active
R-29RMU(2) Sineva 13 14 0.93 .88 2004- Suborbital
R-29RMU2.1 Liner 2 2 1.00 .75 2011- Suborbital
(R-29 ORBITAL 2 3 0.67 .60)
(R-29 TOTAL UUU UUU .UU .UU)
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*Partial Data
R-36(M)-Based Launchers
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R-36 ICBM 131 149 .88 .87 1963-1975 Suborbital
Tsyklon R-36-0 22 23 .96 .92 1965-1971
Tsyklon 2A 6 8 .75 .70 1967-1969
Tsyklon 2 (Test) 1 1 1.00 .67 1969-1969 Suborbital
Tsyklon 2 104 105 .99 .98 1969-2006
Tsyklon 3 114 122 .93 .93 1977-2009
R-36M(U)ICBM 133 145 .90 .90 1971-1997 Suborbital
Dnepr 1 (R-36MU) 18 19 .95 .90 1999- Active
R-36M2 ICBM 32 38 .84 .83 1986- Suborbital
(R-36(M) ORBITAL 264 277 .95 .95)
(R-36(M) TOTAL 561 610 .92 .92)
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Redstone IRBM 55 75 .73 .73 1953-1965 Suborbital
Redstone Sparta 8 9 .89 .82 1966-1967 Suborbital
Redstone Sparta Sat 1 1 1.00 .67 1967-1967
Redstone Jupiter-C 2 3 .67 .60 1956-1957 Suborbital
Redstone Juno 1 2 6 .33 .38 1958-1958
Redstone (MR) 4 6 .67 .63 1960-1961 Suborbital
(REDSTONE SPACE 7 13 .54 .53)
(ALL REDSTONE 72 100 .72 .72)
Safir (Iran) 3 6 .50 .50 2008-
Saturn 1 Blk 1 4 4 1.00 .83 1961-1963 Suborbital
Saturn 1 Blk 2 6 6 1.00 .88 1964-1965
Saturn 1B 2 2 1.00 .75 1966-1966 Suborbital
Saturn 1B Apollo 7 7 1.00 .89 1966-1975
Saturn 5 12 13 .92 .87 1967-1973
Scout Suborbital
Blue Scout 3 5 .60 .57 1960-1962
Scout X1-X2 4 6 .67 .63 1960-1962
Scout X3-X5 7 8 .88 .80 1962-1968
Scout A-B 5 5 1.00 .86 1967-1971
Scout D 1 1 1.00 .67 1976-1976
(ALL SCOUT SUBORB 20 25 .80 .78)
Scout Orbital
Blue Scout 0 1 .00 .33 1961-1961
Scout X1-X2 2 9 .22 .27 1960-1963
Scout X3-X5 16 18 .89 .85 1962-1968
Scout A-B 33 37 .89 .87 1965-1976
Scout D-G 33 35 .94 .92 1972-1994
(ALL SCOUT ORBIT 84 100 .84 .83)
(ALL SCOUT TOTAL 104 125 .83 .83)
Jericho 2 U U .UU .UU 1987- Suborbital
Shavit 2 2 1.00 .75 1988-1990
Shavit 1 2 5 .40 .43 1994-2004
Shavit 2 2 2 1.00 .75 2007- Active
(ALL SHAVIT ORBIT 6 9 .67 .64)
(ALL JERICHO 2 UUU UUU .UU .UU)
SLV-3 1 3 .33 .40 1979-1983
ASLV 1 4 .25 .33 1987-1994
PSLV 9 11 .82 .77 1993- Active
PSLV-CA 9 9 1.00 .91 2008- Active
PSLV-XL 5 5 1.00 .86 2008- Active
GSLV 2 7 .29 .33 2001- Active
Space Shuttle 132 135 .98 .97 1981-2011
Taepo Dong 2 (Unha) 1 4 .25 .33 2006-
Taurus (Darpa) 3 3 1.00 .80 1994-2000
Taurus-120 3 6 .50 .50 1998- Active
(ALL TAURUS 6 9 .67 .64)
Thor-Based Launchers
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Thor IRBM 56 71 .79 .78 1957-1962 Suborbital
Thor Sub. Test 28 34 .82 .81 1962-1975 Suborbital
Thor Able 7 9 .78 .73 1956-1959 Suborbital
Thor Able 4 7 .57 .56 1958-1960 Orbital
Thor Able Star 13 19 .68 .67 1960-1965
Thor Agena A 8 15 .53 .53 1959-1960 SEE NOTE 4
Thor Agena B 35 43 .81 .80 1960-1965
TA-Thor Agena B 2 2 1.00 .75 1963-1966
Thor Agena D 17 21 .81 .78 1962-1965
TA-Thor Agena D 57 61 .93 .92 1963-1968
Thorad Agena D 41 43 .95 .93 1966-1972
Thor Burner 1 5 6 .83 .75 1965-1966
Thor Burner 2 19 20 .95 .91 1966-1976
Thor DSV2U 4 5 .80 .71 1976-1979
(THOR ORBITAL 205 242 .85 .84)
(ALL THOR 296 356 .83 .83)
Delta Variants
Delta 61 65 .94 .93 1960-1972
Delta LT 24 28 .86 .83 1968-1973
Delta ELT 89 93 .96 .95 1972-1990
Delta 2 XLT 149 151 .99 .98 1989-2011
Delta 3 1 3 .33 .40 1998-2000
(ALL DELTA 324 340 .95 .95)
NASDA-Liscensed Thor-Based
N-1 (NASDA) 6 7 .86 .78 1975-1982
N-2 (NASDA) 8 8 1.00 .90 1981-1987
H-1 (NASDA) 9 9 1.00 .91 1986-1992
THOR-BASED GRAND TOTALS
(ALL THOR ORBITAL 552 606 .91 .91)
(ALL THOR 643 719 .89 .89)
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)
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Titan-Based Launchers
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Titan 1 ICBM 44 67 .66 .65 1959-1965 SEE NOTE 2
Titan 2 ICBM 65 81 .81 .80 1962-1976
Titan 2 Gemini 12 12 1.00 .93 1964-1966
Titan 23G/(Star) 12 13 .92 .87 1988-2003
Titan 3A 3 4 .75 .67 1964-1965
Titan 3B Agena D 63 68 .93 .91 1966-1987
Titan 3C 30 36 .81 .79 1965-1982
Titan 3D 22 22 1.00 .96 1971-1982
Titan 3E Centaur 6 7 .86 .78 1974-1977
Titan 34D TS/IUS 6 8 .75 .70 1982-1989
Titan 34D 2.5 stg 6 7 .86 .78 1983-1988
Titan 3 Commercial 3 4 .75 .67 1990-1992
Titan 4A IUS 3 3 1.00 .80 1989-1994
Titan 4A 2.5 stg 9 10 .90 .83 1990-1997
Titan 4A Centaur 8 9 .89 .81 1994-1998
Titan 4B 2.5 stg 5 5 1.00 .86 1999-2005
Titan 4B IUS 4 5 .80 .71 1997-2004
Titan 4B Centaur 6 7 .86 .78 1997-2003
(ALL TITAN SPACE 197 219 .90 .90)
(ALL TITAN 307 368 .83 .83)
NOTE 2: 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.
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RT-2PM (Topol') Based Launchers
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Topol' ICBM 93 95 .98 .97 1981- Suborbital
Topol'-M ICBM 18 19 .95 .90 1994- Suborbital
Yars (RS24, MIRV) 3 3 1.00 .80 2007- Suborbital
Bulava SLBM 12 20 .60 .59 2005- Suborbital
Rubezh (RS26,MIRV) 3 4 .75 .67 2011- Suborbital
Start (5-stg) 0 1 .00 .33 1995-1995
Start-1 (4-stg) 6 6 1.00 .88 1993-2006
(ALL TOPOL' ORBIT 6 7 .86 .78)
(ALL TOPOL' 136 148 .92 .91)
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UR-100N (RS-18/SS-19) Based Launchers
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UR-100N ICBM 144 157 .92 .91 1972- Suborbital
Rokot Breeze K 2 2 1.00 .75 1990-1991 Suborbital
Rokot Breeze K 1 1 1.00 .67 1994-1994
Rokot Breeze KM 18 20 .90 .86 2000- Active
Strela (RS-18 Orb) 2 2 1.00 .75 2003- Active
(UR-100N ORB TOTAL 20 22 .91 .88)
(UR-100N TOTAL 167 182 .92 .91)
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Vanguard 3 3 1.00 .80 1956-1957 Suborbital
Vanguard 3 11 .27 .31 1957-1959 Orbital
Vega 2 2 1.00 .75 2012- Active
VLS 0 2 .00 .25 1997-1999
Zenit 2 28 36 .78 .76 1985-2004
Zenit 2M 1 1 1.00 .67 2007-2007
Zenit 2SB 1 1 1.00 .67 2011-2011
Zenit 3SL 31 35 .89 .86 1999- Active
Zenit 3SLB 5 6 .83 .75 2008- Active
Zenit 3F 2 2 1.00 .75 2011- Active
(ALL ZENIT 68 81 .84 .83)
===============================================================
* First level Bayesian estimate of mean predicted probability
of success for next launch attempt (k+1)/(n+2) where k is the
number of successful events and n is the number of trials.
|