Castor A
The Castor A was an Argentine sounding rocket designed in 1969 by the Instituto de Investigaciones Aeronáuticas y Espaciales.
The rocket featured a two-stage configuration, utilizing five Canopus II rockets. It was capable of placing a 75 kg payload at a 400 km altitude.
Throughout its operational lifespan, the Castor A was launched seven times. Experiencing one failed launch, it had a success rate of approximately 83.3%.
Launches
Castor was launched seven times:| Date | Mission Type | Nation | Agency | Apogee | Launch site |
| December 22, 1969 | Test mission | Argentina | IIAE | 52 km | CELPA Chamical |
| December 19, 1970 | Test mission | Argentina | IIAE | 45 km | CELPA Chamical |
| November 22, 1973 | Ion beam Ionosphere mission | Germany | MPE | 406 km | CELPA Chamical |
| September 30, 1975 | Ionosphere mission | Germany | MPE | 400 km | Vice Commodore Marambio Base, Antarctica |
| October 3, 1975 | Ionosphere mission | Germany | MPE | 400 km | Vice Commodore Marambio Base, Antarctica |
| March 21, 1979, 11:49 PM | Spread F Barium release mission | Germany | DFVLR | Failure | Chilca, Peru |
| March 22, 1979, 11:59 PM | Spread F Barium release mission | Germany | DFVLR | 268 km | Chilca, Peru |