Starbase 121
Starbase 121 was a Federation starbase administered by Starfleet.

The  visited Starbase 121 in 2366 for a complete systems and bio-decontamination, following a serious invidium contamination. ()

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bg:Звездна база 121
de:Sternenbasis 121
fr:Base stellaire 121
nl:Sterrenbasis 121
0121, Starbase