So far... Flopnik - First satellite (along with Stayputnik, this was a derisive name give to the first failed US satellite attempt, Vanguard TV3) Merkury - Suborbital and orbital one kerbal capsule flights Semini - orbital one kerbal capsule, practice rendezvous and docking with one man capsules made it half or semi - Gemini, hence Semini. Chell - Science collecting probe series, named for the protagonist of the "Portal" game series. Kurveyor - Surveyor type landers sent to the Mun. KUR-700 - UR700 launcher and moon mission later renamed... Diana - Kerbaled Munar landing missions - based on Soviet "plan B" to land on the moon, one BIG ship lands, then launches back to Earth, no docking in orbit. SPARTA - Science Platform And Roving Terrain Assessment, a series of landers with rovers to find good landing spots for Diana/Leto landers, developed after Diana one nearly falls over upon landing. Leto - Apollo style (orbital docking, separate lander and command ships) lander for the Mun, named for Diana's mother in greko-roman mythology (yes I know I switched cultures with the names) V'Ger - single probe sent to Jool on a science collecting flyby. Vanished, possibly into a black hole, after leaving Kerbol's SOI.