Jupiter's moons do not have moons.
No moon in the Solar System has a moon orbiting it.
jupiters ice moon is Io
we can't use jupiters moons for anything because fistly we can not get out that far to reach Jupiters moon and if we could it would take thousands of years and Jupiters Moons would be to big to do anything with anyway. so the answer to What could Jupiter's moons be used for? is....Nothing.
it's moons
== ==
Socrates, Gallileo
Jupiters Moons
jupiters moons are different some have an atmosphere and MOST are asteroids
Europa has frozen oceans.
Io
Lo Europa and Ganymede
io is the brightest from jupiters surface
large from small are Ganymede, Europa, Callisto, and Io.