# USS Halcyon

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**USS *Halcyon*** may refer to the following ships of the [United States Navy](/source/United_States_Navy):

- [USS *Halcyon* (SP-518)](/source/USS_Halcyon_(SP-518)), a [patrol vessel](/source/Patrol_vessel) commissioned 14 May 1917 and decommissioned 24 June 1919 which then served as a research vessel in the [United States Bureau of Fisheries](/source/United_States_Bureau_of_Fisheries) fleet as USFS *Halcyon* from 1919 to 1927
- [USS *Halcyon* (SP-1658)](/source/USS_Halcyon_(SP-1658)), a [patrol craft](/source/Patrol_craft) that served briefly in 1917
- [USS *Halcyon II* (SP-582)](/source/USS_Halcyon_II_(SP-582)), a patrol vessel in commission from 1917 to 1919.

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Adapted from the Wikipedia article [USS Halcyon](https://en.wikipedia.org/wiki/USS_Halcyon) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/USS_Halcyon?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.