Apollo 15 OPS beta cloth: Lunar surface + rover + deep-space EVA used 8x10 leonov It was produced over billions

It was produced over billions of years as meteorite impacts continually shattered and pulverized the Moon’s surface

Mir crews often spent many months in orbit

Only 30 such acrylics were made

Offered on the market for the first time together :

Displayed in a protective clear acrylic case

Apollo 15 OPS beta cloth: Lunar surface + rover + deep-space EVA used 8x10 leonov It was produced over billionsUsed 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