 |
| A RAM C-2 cover from "Orbit Covers", postmarked at Wallops Island with a machine cancel on August 22, 1968.
RAM C-2 was a NASA suborbital re-entry research vehicle that reached an apogee of approximately 221 km and studied the ionized plasma surrounding a spacecraft during high-speed atmospheric re-entry and its effect on radio communications. |
1968-08-22 USA RAM C-2
