| Acronym | Meaning |
 | POCC | Payload/Platform Operations Control Center |
| BH | Black Hole |
| SID | Sudden Ionospheric Disturbance |
| ESPC | European Space Power Conference |
| RKA | Rossiskoye Kosmicheskoye Agentsvo |
| DSP | Defense Support Program |
| ACRIM | ACR Irradiance Monitor |
| PASS | Primary Avionics Software System |
| IBSS | Infrared Background Signature Survey |
| ASI | Agenzia Spaziale Italiano |
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