Apollo 15 lunar surface + lunar rover used OPS beta cloth acrylic John Young Astronauts Neil Armstrong

Astronauts Neil Armstrong

Dave Scott

Gus Grissom could leave the capsule and be recovered safely by a Navy helicopter

The model is mounted on a display stand

Mark Vande Hei

Apollo 15 lunar surface + lunar rover used OPS beta cloth acrylic John Young Astronauts Neil ArmstrongUSED 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