You can also imagine a whole set of missions that will build these comparative datasets: Titan Dragonfly surface organics of Titan Titan orbiter (something similar to proposed Oceanus T-mass instrument) Titan shallow drill to get to organic deposits over deep time Deep cryobot mission to Titan subsurface ocean Titan surface mission to Menrva crater ejecta to get ancient deep ocean inventory. (We know Titan does de novo organic synthesis) Others include: