January 1958
10 Jan
ICBM test
Atlas28 Jan
Missile test
Thor29 Jan
M1-11
R-7
February 1958
1 Feb
Explorer 1
Juno I5 Feb
Vanguard TV3 Backup
Vanguard7 Feb
ICBM test
Atlas20 Feb
ICBM test
Atlas28 Feb
Missile test
Thor
March 1958
5 Mar
Explorer 2
Juno I17 Mar
Vanguard TV4
Vanguard26 Mar
Explorer 3
Juno I29 Mar
M1-10
R-7
April 1958
4 Apr
M1-12
R-75 Apr
ICBM test
Atlas19 Apr
Missile test
Thor24 Apr
RTV test
Thor27 Apr
D1 s/n. 1
Sputnik29 Apr
Vanguard TV5
Vanguard
May 1958
15 May
Sputnik 3
Sputnik18 May
AM-5
Jupiter24 May
B1-3
R-727 May
Vanguard SLV-1
Vanguard
June 1958
3 Jun
ICBM test
Atlas4 Jun
Missile test
Thor13 Jun
Missile test
Thor26 Jun
Vanguard SLV-2
Vanguard
July 1958
10 Jul
B1-4
R-710 Jul
RTV test
Thor13 Jul
Missile test
Thor17 Jul
AM-6B
Jupiter19 Jul
ICBM test
Atlas23 Jul
RTV test
Thor26 Jul
Missile test
Thor26 Jul
Explorer 4
Juno I
August 1958
2 Aug
ICBM test
Atlas6 Aug
Missile test
Thor17 Aug
Pioneer 0
Thor24 Aug
Explorer 5
Juno I27 Aug
AM-7
Jupiter29 Aug
ICBM test
Atlas
September 1958
14 Sep
ICBM test
Atlas18 Sep
ICBM test
Atlas23 Sep
Luna 1958A
Luna26 Sep
Vanguard SLV-3
Vanguard
October 1958
10 Oct
AM-9
Jupiter11 Oct
Pioneer 1
Thor11 Oct
Luna 1958B
Luna23 Oct
Beacon satellite
Juno I
November 1958
5 Nov
Missile test
Thor8 Nov
Pioneer 2
Thor18 Nov
ICBM test
Atlas26 Nov
Missile test
Thor29 Nov
ICBM test
Atlas
December 1958
4 Dec
Luna 1958C
Luna6 Dec
Pioneer 3
Juno II6 Dec
Missile test
Thor13 Dec
16 Dec
Missile test
Thor17 Dec
Missile test
Thor18 Dec
SCORE
Atlas24 Dec
ICBM test
Atlas24 Dec
B3-16
R-731 Dec
Missile test
Thor