Scientists reviewing Lunar Prospector data from 1998/1999 found surface charging on the moon of up to 4,500 volts of electricity. They are concerned that future missions to the moon could be hampered by this phenomenon by burning out electrical equipment and posing a threat to the astronauts. How concerned were they about static discharge during Apollo or were they not aware of it? Hammering rods into the ground - flags, cameras, etc. Did the lunar modules suffer from any static buildup on the moon?