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HST SM4 EVA Timeline. EVA Task Priorities. 1. RSUs 2. WFC3 3. SI C&DH 4. COS 5. Bay 3 batteries Bay 2 batteries 6. STIS or ACS repair 7. FGS-2 8. Remaining SI repair 9. NOBL 8 10. NOBL 5 11. NOBL 7.
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EVA Task Priorities 1. RSUs 2. WFC3 3. SI C&DH 4. COS 5. Bay 3 batteries Bay 2 batteries 6. STIS or ACS repair 7. FGS-2 8. Remaining SI repair 9. NOBL 8 10. NOBL 5 11. NOBL 7