As the giant countdown clock ran ever closer to climactic day, tensions continued to mount. Sharp words rang out when a technician found a critical part missing, or if the fiber reinforcement struts were tensioned poorly. For Yolanda, her daily meditation and Tai Chi were more essential then ever. Her brain felt like it was going to explode from the constant barrage of information being repeated with seemingly endless patience by Chen, Mrs. Fu, or any of the dozen mission specialists who were helping to ensure their success.
She was getting a final fitting check on her suit and practicing trying to move in it when she decided to test it out on the surface. She operated the controls that moved the 'fingers' and opened the airlock. The sight as she left was like nothing she had ever experienced. Up till then, she had always been unlucky enough that her surface excursions had occurred when Ganymede was facing away from Jupiter. Now the enormous orb of the planet dominated the sky with a brightly banded half-circle. It took several minutes before she could even tear her eyes away. It was as clear to her as the red spot itself that this was and would be the most beautiful scene she would ever behold.
But of course there was a mission to prepare for and a suit to test out. She spent a few minutes moving on the surface, climbing up the more gradual craters, and doing little jumps in the light gravity. Then out of the corner of her eye she noticed on the heads up display that her O2 levels were draining faster then the specs called for. She left the frozen surface and headed back into the airlock. One of the biggest advantages of the suits, over anything she'd used before, were the dexterity of the external 'fingers' which she was slowly learning to operate efficiently. Though it gave each of them an apelike appearance, the long metal fingers were immune to the cold vacuum and allowed them to operate controls with ease.
Before she checked in with her team, Yolanda spent half an hour looking carefully over her suit. If she could troubleshoot the problem herself, it would give her more confidence that she could do so out on Pluto.
Finally she noticed that the O2 cylinder was the wrong size. This one was likely the one used by astronauts here on Ganymede. The connecting tubes were probably drawing oxygen out faster due to the lower pressure. She brought the issue up with Martin, the lead suit technician who was visibly impressed by her discovery.