When you first visited the Jool system, which moon was the first you travelled to?

[paleorob]

Laythe. We were discussing if the liquid on Laythe could be water so my first ever Jool system went there. Landed three Kerbals in the ocean and tried to make it a submarine to measure temperature and pressure. Sadly it didn't work too well but I was able to get ~2m worth of depth data from pitching the nose. Rockets make poor boats.

[The Destroyer]

I voted laythe, but I forgot my first probe ended up stuck in orbit, the second landed on tylo. It didn't seem that hard. The first "manned" with rover (0.17 bobcat ind) was on Laythe. Because I ended up in a retrograde orbit, so EXCTEMREREREREME aerobraking.

[Joshington]

I got my satellite into a large orbit around Jool, and went to the first planet that I could find using a maneuver node. Laythe is surprisingly easily to reach.