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A for ASTRONAUT
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B for BATTERY
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C for CUPOLA
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D for DESTINY MODULE
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F for FREEZE-DRYING
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G for GLOVES
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H for HELMET
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I for INTERNATIONAL
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J for JOGGING
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K for KELVIN SCALE
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L for LOW EARTH ORBIT
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M for MISSION CONTROL
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N for NIGHT SKY
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O for OXYGEN
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P for PATCH
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Q for QUEST MODULE
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R for ROBOTIC ARM
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S for SPACESTATION
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T for TETHER
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U for UNDERWATER
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V for VELCRO
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W for WASTE
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X for X-RAY
