Based on the proposal for "Mars Direct" by Robert Zubrin and David Baker of Martin Marietta, 1990.

Duna Direct Release Image

Use without mods as stock, or:

Play the mission Duna Direct: The First Flight!

Using mods requires Module Manager

Compatible with the following mods (automatically applied upon mod detection):

Connected Living Space - Adds passable option
CommunityResourcePack - Adds built-in Sabatier ISRU for conversion of fuel while on Duna
Kerbal Inventory System - Adds KIS inventory space
Realchute - Changes parachute parameters
Realplume - Improves engine plumes
Remote Tech - Makes antenna compatible with Remote Tech
Snacks! - Adds Snacks compatibility
TAC Life Support - Adds TAC Life Support compatibility
Tweakscale - Adds Tweakscale compatibility

Near Future IVA Props - Adds fully furnished IVA

Caution: There is a known compatibility issue between this mod and the use of B9 Part Swith + Community Resource Pack.

Fix to be released on the forums:

https://forum.kerbalspaceprogram.com/index.php?/topic/177889-wipduna-direct-formerly-mars-direct/&page=5&tab=comments#comment-3483762

Installation:

Extract the contents of the GameData folder to your GameData folder. Structure should then read GameData\MarsDirect\

Extract the contents of the Missions folder to your Missions folder. Structure should then read Missions\Duna Direct_ The First Flight\

Mission is also available from the Steam Workshop and it's link https://steamcommunity.com/sharedfiles/filedetails/?id=1557258246

Fly the Duna Direct mission!

Flight plan:

Launch inside 5m expanded fairing
Aim for Duna
Aerobreaking entry at Duna
Heatshield jettison and parachute deployment
Landing gear deployment and reverse thrust
Perform science!
Built-in Sabatier conversion regenerates fuel for return
Repack parachute
Launch for Kerbin
Jettison first stage
Atmospheric re-entry at Kerbin
Parachute deployment and landing

Flight crew:

Pilot for vessel control
Engineer for repacking parachutes
Two scientists for running the science lab

Parts List:

Zubrin Command Pod - Kerbin return vehicle. 20x built-in RCS ports, science lab, science experiments, SAS module, IVA, RTG, lights.
Baker 1st Stage - The large first stage houses a cargo bay and four inset landing legs. Contains bay light and exterior spotlights.
Rudaux Nosecone - Animated nosecone opens to reveal docking port and parachutes. Has ablative shielding for atmospheric entry or re-entry protection.
Marietta Engines - A pair of these engines power the Kerbin Return Vehicle. Very high efficiency. Animated gimbals and emissives.
MIRA LM-20 Engines - Four sets of four advanced MIRA engines power the landing and ascent of the Duna Direct vehicle. Animated gimbals and emissives.
Acidalia Huggers - These collapsible landing legs are a staple design element of the vehicle.
Svalinn Heatshield - Expanding heatshield designed for atmospheric entry and aerobraking. Contains solar panels for extra power generation in flight. Contains
Elysium Space Stairs - The trusty ladder to climb or descend to and from the Kerbin Return Vehicle while landed.
Alba Mons Talking Stick - Expanding radio antenna which mounts on the front of the Kerbin Return Vehicle.
Duna Direct Flag - Agency flag / decal

Thank you for downloading Duna Direct!

A SPECIAL THANK YOU TO ALL THE TESTERS WHO ADDED VALUABLE FEEDBACK AND SUGGESTED MANY IMPROVEMENTS WHICH WERE ADDED!