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Challenge Entries
Entries for Tier 1 challenges
Voyager Quest, Mars returns and Space Stations only
Threads
553
Messages
7,839
Threads
553
Messages
7,839
Lunar Atlas
8 minutes ago
QMSP
Entries for Tier 2 challenges
Mercury landing, shuttles, heavy lifters, reusability missions and navigation planning missions only
Threads
270
Messages
5,175
Threads
270
Messages
5,175
Accurate Vanguard Rocket
Yesterday at 10:51 AM
FPE Fan
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