Apollo 15 OPS beta cloth: Lunar surface + rover + deep-space EVA used 8x10 leonov later a NASA astronaut and

later a NASA astronaut and Space Shuttle commander

Besonders hervorzuheben ist seine Idee der

Displayed in a protective clear acrylic case

Personally signed by Chuck Yeager in black felt tip

Apollo 15 OPS beta cloth: Lunar surface + rover + deep-space EVA used 8x10 leonov later a NASA astronaut andUsed 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