In service definitions

In service

1) Like some training programs 2) Operating
Found on https://www.crosswordclues.com/clue/in-service

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in service

[adj] - (of a ship) in active service
Found on http://www.webdictionary.co.uk/definition.php?query=in%20service

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in-service

taking place while one is employed: an in-service training program.
Found on https://www.infoplease.com/dictionary/in-service

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