Titan IIIA
USA Wikipedia 
Built & Operated By
Lockheed Martin
Commercial · founded 1953
Family
Titan
variant IIIA
Maiden Flight
1 SEP 1964
About
The Titan IIIA or Titan 3A was an American expendable launch system, launched four times in 1964 and 1965,[1] to test the Transtage upper stage which was intended for use on the larger Titan IIIC. The Transtage was mounted atop two core stages derived from the Titan II. The Titan IIIA was also used as the core of the Titan IIIC.
Vehicle Specifications
Height
42 m
Diameter
3.05 m
Launch Mass
161 T
Thrust
1,941 kN
Stages
3
Configuration
Expendable
Launch Record
Total Launches
4
Successful
3
Failed
1
Consecutive
3
Performance
To LEO
3,100 kg