THE SMALL ROCKET CHALLENGE. The Rules: Mods allowed: Tweakscale,KJR,RSS, Mods not allowed:Any mod with launches from other planets, warp drive mods. Easy: Manned Probe to the Mun with 20 parts or less and back Medium: Manned Probe to Duna with 25 parts or less and back Hard: Manned Probe to Eve and Gilly With 30 parts or less and back Aggressive: Grand tour, 35 parts or less and back, No Refueling! Epic: Impress me or do a grand tour with Outer planets/RSS No refuel