RocketSTEM Issue #11 - April 2015 | Page 181

John Grunsfeld and
Andrew Feustel, perched
alone on the end
of the Atlantis’
RMS arm, conduct the first
of five STS-125 spacewalks
to repair and upgrade the
Hubble Space Telescope,
temporarily locked down
in the cargo bay of the
Earth-orbiting shuttle.
Credit: NASA