![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a8/Apollo_16_ALSEP.jpg/300px-Apollo_16_ALSEP.jpg)
Credit: NASA
Schematic layout of the Apollo 16 surface experiments. Note especially the mortar package that launched three grenades, successfully.
Schematic layout of the Apollo 16 surface experiments. Note especially the mortar package that launched three grenades, successfully.