 NASA (@NASA)4/19/11 10:38 AM #FRR – Spacewalks 1 & 2 will refill ammonia in the Port 6 Photovoltaic Thermal Control System that has a small leak of 1.5 pounds per year |
| NASA (@NASA) 4/19/11 10:38 AM #FRR – Spacewalks 1 & 2 will refill ammonia in the Port 6 Photovoltaic Thermal Control System that has a small leak of 1.5 pounds per year |
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