Apollo 17 just prior to liftoff.
One of the last things that Harrison H. "Jack" Schmitt did while on the surface of the moon at the end of the last lunar EVA of the Apollo program was to throw their one and only Geology hammer off into the distance.
One of the last things that Harrison H. "Jack" Schmitt did while on the surface of the moon at the end of the last lunar EVA of the Apollo program was to throw their one and only Geology hammer off into the distance.
Nasa's explanation for this:
The Geology Hammer
The interesting video below shows the EVA just prior to liftoff and astronaut Schmitt who throws the hammer:
More information and photographs about the geology hammer 'UFO' at nasa's website: Where on the Moon is Jack Schmitt's hammer? streetcap1