File:Chris Cassidy works with a ultrasonic leak detector on ISS.jpg

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Description	English: Expedition 63 commander Chris Cassidy works with an ultrasonic leak detector on the International Space Station.
Date	25 September 2020
Source	https://twitter.com/Astro_SEAL/status/1309254645420716033
Author	Christopher Cassidy

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current	09:27, 6 October 2020		4,096 × 2,731 (668 KB)	Ohsin (talk \| contribs)	Uploaded a work by https://en.wikipedia.org/wiki/Christopher_Cassidy from https://twitter.com/Astro_SEAL/status/1309254645420716033 with UploadWizard

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