Athena I
USA Wikipedia 
Built & Operated By
Lockheed Martin
Commercial · founded 1953
Family
Athena
variant I
Maiden Flight
15 AUG 1995
About
The Athena I, known as the Lockheed Launch Vehicle (LLV) at the time of its first flight and Lockheed Martin Launch Vehicle (LMLV) at the time of its second flight, is an American small expendable launch system which was used for four launches between 1995 and 2001. It is a member of the Athena family of rockets, along with the larger Athena II.
Vehicle Specifications
Height
18.9 m
Diameter
2.36 m
Launch Mass
66 T
Thrust
1,900 kN
Stages
3
Configuration
Expendable
Launch Record
Total Launches
4
Successful
3
Failed
1
Consecutive
3
Performance
To LEO
820 kg