The Alcyone IA BE-3A was designed as a fifth stage kick motor for the United States’ Scout Launch Vehicle. It was only ever launched once on a Scout E-1 for Explorer 52.
![Alcyone IA Technical Drawing [SC1]](https://rocketreference.com/wp-content/uploads/2019/02/Alcyone-IA-Technical-Drawing-SC1-1024x541.png)
Alcyone IA Technical Drawing [SC1] ![Alcyone IA Thrust Curve [SC1]](https://rocketreference.com/wp-content/uploads/2019/02/Alcyone-IA-Thrust-Curve-SC1.png)
Alcyone IA Thrust Curve [SC1] ![Alcyone IA BE3-A9 Technical Drawing [SC1]](https://rocketreference.com/wp-content/uploads/2019/02/Alcyone-IA-BE3-A9-Technical-Drawing-SC1-1024x548.png)
Alcyone IA BE3-A9 Technical Drawing [SC1] 
Alcyone IA BE3-A9 Engine from Richard Kruse at HistoricSpacecraft.com