Expedition 23 astronaut Tracy Caldwell during Regenerative ECLSS training with instructor Cindy Koester.

PHOTO DATE: 10-27-09
LOCATION: Bldg 9NW, ISS Mockup
SUBJECT: Expedition 23 astronaut Tracy Caldwell during Regenerative ECLSS training with instructor Cindy Koester.
PHOTOGRAPHER: James Blair

PHOTO DATE: 10-27-09 LOCATION: Bldg 9NW, ISS Mockup SUBJECT: Expedition 23 astronaut Tracy Caldwell during Regenerative ECLSS training with instructor Cindy Koester. PHOTOGRAPHER: James Blair

Photographer James Blair - NASA - JSC

Date October 27, 2009