Perhaps the best tribute to the astronauts aboard the Space
Shuttle Columbia was given on Flight Day 15 (Thurs, Jan. 30).

STS-107 Pilot Willie McCool and Israeli Payload Specialist Ilan Ramon
awakened their crewmates to a rendition of John Lennon's "Imagine."

They added the following message:
"From our orbital vantage point, we observe an earth
without borders, full of peace, beauty and magnificence. And we pray
that humanity as a whole can imagine a borderless world, as we see it,
and strive to live as one in peace." Ramon then translated the statement
into Hebrew.

http://classes.lls.edu/spring2003/natsec-manheim/sts107fd15a.mov

You will need quicktime to view it.

NASA Slideshow - RIGHT CLICK to download the powerpoint.