SECS
Special Experimental Communications System
SECS is a digital store and forward communications spacecraft for a classified mission. The design is similar to GLOMR with more data storage, greater redundancy, more space qualified hardware content. SECS was the first spacecraft launched on the air-launched Pegasus launch vehicle. The spacecraft operated for 3.5 years.
Spacecraft
Spherical structure. Unstabilized. Body mounted solar cells.
Payload
Similar to GLOMR
| Country of Origin | United States |
| Customer/User | US Navy |
| Manufacturer(s) | Defense Systems Inc. (now CTA) |
| Size | Approx 0.6 m dia sphere |
| Orbit | 602 km, 90 deg inclination |
Launch Facts
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| Name | Int'l Desig. | Date | Site | Vehicle | Orbit | Mass(kg) |
| Notes | ||||||
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| SECS (USA 55) | 1990-028B | 4/5/90 | WSMC | Pegasus | LEO | 25 |
| Store and forward | ||||||
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