In article , JimO wrote:
NASA said the current crew marks 100 days on ISS on Monday and will perform
traditional celebrations. What are they?

There's a bottle of medicinal vodka concealed in the Progress? ;-)

FWIW, the hundred-day mark has been mentioned before in status reports,
but there doesn't seem to have been any comments on a celebration. Still
nice to know there are little traditions kicking in...

--
-Andrew Gray