![Two astronauts work on removing a fine guidance sensor from a carrier in the Shuttle's cargo bay.](https://science.nasa.gov/wp-content/uploads/2023/07/28023994695-5736c1ea69-o.jpg?w=4096&format=jpeg)
Astronauts Gregory J. Harbaugh and Joseph R. Tanner
Gregory J. Harbaugh (left) and Joseph R. Tanner on the Remote Manipulator (RMS) arm are seen accessing a Fine Guidance Sensor (FGS) in its carrier in February 1997 during the second servicing mission to Hubble Space Telescope.
Credits: NASA
Image CreditNASA
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