The hangar-armored shield repair shuttles item has a command error, the hangar ships do not respond to commands to change targets or even go back, the error is also in the hangar-armored shield repair units item.
You need to elaborate more. The title of your thread could mean alot of things. When posting a bug repoer please follow the guidelines as requested in this thread ....
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https://account.arcgames.com/en/forums/startrekonline/#/discussion/1266890/issue-reporting-format