
TRS Mk3, Mk2, Mk1, OV3, ORS Mk1, Mk2, Mk3 (left to tight) [NASA]
Payloads:
| Nation: | USA |
|---|---|
| Type / Application: | Experimental |
| Operator: | USAF |
| Contractors: | TRW Systems Group |
| Equipment: | ? |
| Configuration: | Tetrahedron 0.23 m (TRS Mk.2) |
| Propulsion: | None |
| Power: | Solar cells, batteries |
| Lifetime: | |
| Mass: | ? |
| Orbit: |
| Satellite | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|
| ERS 11 | not launched | ||||
| ERS 12 | 17.10.1963 | CC LC-13 | Atlas-LV3 Agena-D | with Vela 1, Vela 2 | |
| ERS 13 | 17.07.1964 | CC LC-13 | Atlas-LV3 Agena-D | with Vela 3, Vela 4 | |
| ERS 14 | not launched |