The future of the Hubble Space Telescope hangs in the balance today in Washington as top NASA managers weigh the feasibility and risks of sending shuttle astronauts on a fifth and final servicing mission to the observatory.

The promotional video shows a multi-jointed titanium handyman untwisting knobs and disconnecting an electrical cable with slow-motion aplomb, displaying fine motor skills that the voice-over assures will enable it to install "new batteries, gyroscopes and scientific instruments" aboard the aging Hubble Space Telescope.