Mercury MA-6 flown heatshield fragment

Iwan Wagner and Alexey Ovchinin

obtained by cosmonaut Treshev's son Alexey during the ASE congress in Beijing 2014

and Akihiko Hoshide

Museum quality official model - with wooden base

Apollo 15 lunar surface + lunar rover used OPS beta cloth acrylic Apollo 14 Mercury MA-6 flown heatshield fragmentUSED DURING THREE APOLLO 15 LUNAR EVAS AND A DEEP SPACE EVA EXPOSED TO THE LUNAR ENVIRONMENT FOR MORE THAN 18 HOURS AND DEEP SPACE ENVIRONMENT DURING MANKIND'S FIRST DEEP SPACE EVA PERFORMED BY AL WORDEN. The OPS supplies the EMU with oxygen purge flow and pressure control for certain failure modes of the PLSS or PGA during EVA. In the event of a PLSS failure, the OPS flow is regulated to 3. 7 + 0. 3 psid for 30 minutes to provide breathing oxygen to