He most recently took a trip to the Mun with all three of the other orangesuits on board. He was upset he missed the first launch to Minmus, though. It's okay, that very nearly failed. Val only got to do a short flyby before realizing that the rocket would tip over in just about any landing circumstance.
Could, in theory, enough floatie modules allow a space station to float in Eve's atmosphere? Actually, if not, that would be pretty damn cool for a mod.