Public domain
Expedition 23 astronaut Tracy Caldwell during Regenerative ECLSS training with instructor Cindy Koester.
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
PHOTO DATE: 10-27-09 LOCATION: Bldg 9NW, ISS Mockup SUBJECT: Expedition 23 astronaut Tracy Caldwell during Regenerative ECLSS training with instructor Cindy Koester.
NASA Image and Video Library’s own descriptionCredit lineExpedition 23 astronaut Tracy Caldwell during Regenerative ECLSS training with instructor Cindy Koester.. NASA/JSC, 2009-10-27. Public domain. ID: jsc2009e226262.
