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GREEN APPLE – PULL” is a common line in Shuttle Checklists, but what is the green apple?

April 26, 2017Apple checklists common line pull Shuttle

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GREEN APPLE – PULL” is a common line in Shuttle Checklists, but what is the green apple?

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The “Green Apple” is a tiny green ball connected to the pressure suit with a cord. When the astronaut pulls on the cord, he activates the emergency O2 supply of his suit by opening the valve connected to the cord.