This mission report is in pursuit of this challenge:  as well as: This was my first time ever going interplanetary. I knew I could do this easily enough with ISRU, but I wanted to try something different, since ISRU on Mars isn't nearly so simple as extending a drill into one spot in the ground. I decided I would use chemical engines only with a booster+tanker+ship arrangement. In lieu of Dunian ISRU, I decided I would send one of the tankers along for the ride, aerobraking both