This image is a photographic replica of the plaque that the Apollo 
<p>17 astronauts left on the Moon at the Taurus-Littrow landing site. 
Apollo 17 was the final lunar landing mission in NASA's Apollo 
program. The commemorative plaque was unveiled at the close of the 
third extravehicular activity (EVA-3). The plaque was made of 
stainless steel measuring nine by seven and five-eighths inches, and 
one-sixteenth inch thick. It was attached to the ladder on the 
landing gear strut on the descent stage of Apollo 17 Lunar Module 
</p>
 "Challenger."
NASA
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