NASA recently landed its InSight probe on Mars to study its interior. Tagging along behind are two CubeSats intended to record InSight during its landing sequence, and to act as a relay while the already-in-place Mars Reconnaissance Orbiter is out of position. So, onto the challenge! This is my first time running one, so please let me know if anything seems unclear or whatever. Leaderboard Stock Parts Rank 1 @Xurkitree 57 points bonuses: +20 for lowest mass (2345 kg), +20 for lowest cost (24,775), +7 for science @Johnster_Space_Program 40 points bonus: +20 for lowest dV usage (3425 m/s) @PrvDancer85 10 points (console) Rank 2 @RogerC 111 points bonuses: +40 for lowest mass (108 t) +40 for lowest cost (82,534) +1 for Ike flyby @Ultimate Steve 30 points Rank 3 @Will-ferret 106 points (console) bonuses: +1 for Ike flyby, +45 for full mission recovery @Death Engineering 89 points bonuses: +29 for flybys of Ike, Dres, Jool, and Tylo @The Aziz 60 points Rank 4     Modded Rank 1   Rank 2 @sturmhauke 30 points Rank 3 @Kerbiter 61 points bonuses: +1 for Ike flyby Rank 4 @dire 528.4 points, qualified by concurrent DOMA mission bonuses: +80 for lowest mass (678 t) +80 for lowest cost (685 k) +268.4 for science Allowed Mods And Other Rules Your submission should include screenshots or video demonstrating each important phase (launch, transfers, landing, science transmission, flybys, etc.). For Rank 2 and up, you must use CommNet at the default settings. Part of the challenge at higher ranks is to demonstrate the ability to build a network. Note that at Rank 1, you still need an antenna capable of transmitting science data back to Kerbin, even if CommNet is disabled. Please note whether your entry uses stock or modded parts. No FTL or other super advanced or exploit-based propulsion (kraken drives etc.). No HyperEdit or other cheats for anything related to scoring (ok for testing or additional infrastructure unrelated to mission objectives). Autopilot and other flight assistant mods (MechJeb, Throttle Controlled Avionics, etc.) are ok, but it must be possible to fly all craft manually. The intentionally terrible VTOL craft in the TCA intro video would not be allowed, for instance. Planet packs should not alter the stock planets' parameters, for scoring purposes. If you are really enthusiastic about GPP or whatever, maybe we can work something out, but I'm not really familiar with those. Other mods allowed, as long as it's not too outlandish. No refueling. ISRU is allowed if you are attempting some sort of Jeb madness (see below). If you are playing for bonus science points, you may not use labs, contracts, difficulty settings, or other means to multiply the science gathered. Only default points from experiment + body + situation count. Primary Objective (Rank 1) Build an unmanned lander capable of reaching Duna's surface. The lander must include a thermometer, seismic accelerometer, and negative gravioli detector. It must also include sufficient solar panels and antennas to transmit its data back to Kerbin. The lander must be launched into LKO with a rocket, and then use a transfer stage to get to Duna. Secondary Objective (Rank 2) As above, with the following changes. The lander only needs enough antenna power to reach Duna orbit. Build two identical mini-satellites, with sufficient relay antennas and solar power to extend the comm network to the landing site. These mini-sats must be launched together with the lander, as a single payload. Once reaching LKO, the lander and mini-sats must all travel independently to Duna. The mini-sats' trajectories should be arranged such that they perform a flyby of Duna at the correct time and place for the lander to transmit its initial data to one or both satellites. Bonus Objectives (Rank 3) Ahead of the main mission, launch a Duna Reconnaissance Orbiter satellite. It must be launched via rocket and reach Duna orbit ahead of the lander, and have sufficient solar power and relay antennas to extend the comm network to the landing site. It must also carry one or more experiments suitable for unmanned orbital science (your choice). Extend the mission of the two mini-sats. Put experiments on them and collect more science, and/or flyby additional bodies. Jeb's Objectives (Rank 4) Do something insane. Build a Duna colony, send 100 kerbals, use an SSTA, I dunno. Impress me. But whatever you do, you may not use any additional launches; you have to piggyback on the main mission launch or the DRO launch. Additional Objectives (Unranked) Retrieve the lander and/or mini-sats at the end of the mission. They can return under their own power, or you can launch a recovery mission, at your discretion. Compete on science, mass, cost, and dV usage. See the scoring list for details. Scoring Most scores are based solely on the entry's individual performance. Some are competitive scores, and can only be earned by one entry per category. These will be marked. +10 points for Primary Objective +20 points for Secondary Objective +30 points for DRO objective +40 points for each feat of awesome insanity successfully completed (involvement of Jeb optional but recommended) +10 points for tiebreakers in case of similar feats from separate entries (competitive, granted up to one entry per similar feat) For additional flybys of mini-sats (must still reach Duna in time for Secondary Objective) scores loosely based on flyby dV as calculated by Alex Moon's Launch Window Planner +1 point for Ike +7 points for Mun or Minmus (+8 for both) +9 points for Dres +11 points for Eve +1 point for Gilly +14 points for Jool +5 points per each Joolian moon +15 points for Eeloo +20 points for Moho Additional Bonus Scoring +15 points for safe retrieval of lander on Kerbin +15 points for safe retrieval of mini-sat on Kerbin (+30 for both) +(total science gathered / 20) points (please include a screenshot of starting and ending science points) +(20 * highest rank attained) points for lowest total launch mass (competitive, granted to one entry per category) +(20 * highest rank attained) points for lowest total mission cost (competitive, granted to one entry per category) +(20 * highest rank attained) points for lowest total mission dV used (please include screenshots of KER, MechJeb, or similar to demonstrate dV used) (competitive, granted to one entry per category) Badges     full size: