Been done for years (after the fall of the cccp). They had them on Mir also.
"Stanislaw Sidor" wrote in message
...
Does anybody know the history of the Holy Icon (Orthodox Icon; Virgin Mary
and
the Child) placed in Zvezda Service Module?
Visible at (top of the image):

http://spaceflight.nasa.gov/gallery/.../iss002e7180.h
tml

http://spaceflight.nasa.gov/gallery/...es/iss002e7180.
jpg

(STS)