Launches
Vanguard launched 3 satellites out of 11 launch attempts:
- Vanguard TV3 - December 6, 1957 - Failed to orbit 1.36 kg (3 lb) satellite
- Vanguard TV3 Backup - February 5, 1958 - Failed to orbit 1.36 kg (3 lb) satellite
- Vanguard 1 - March 17, 1958 - Orbited 1.47 kg (3.25 lb) satellite
- Vanguard TV5 - April 28, 1958 - Failed to orbit 10.0 kg (22 lb) satellite
- Vanguard SLV 1 - May 27, 1958 - Failed to orbit 10.0 kg (22 lb) satellite
- Vanguard SLV 2 - June 26, 1958 - Failed to orbit 10.0 kg (22 lb) satellite
- Vanguard SLV 3 - September 26, 1958 - Failed to orbit 10.0 kg (22 lb) satellite
- Vanguard 2 - February 17, 1959 - Orbited 9.8 kg (21.6 lb) satellite
- Vanguard SLV 5 - April 13, 1959 - Failed to orbit 10.3 kg (22.7 lb) satellite
- Vanguard SLV 6 - June 22, 1959 - Failed to orbit 10.3 kg (22.7 lb) satellite
- Vanguard 3 - September 18, 1959 - Orbited 22.7 kg (50 lb) satellite
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