Simplest rocket to achieve escape velocity and simplest rocket to achieve orbit and safely return crew. STOCK PARTS ONLY! Here are mine: [span style=font-weight: bold]The game is not very hard[/span] if all you are trying to do is orbit or achieve escape velocity. I can do it with small two stage rockets and stock parts: Simple Escaper: This can get 3.3km/s @ 200km (escape velocity is less than 3km/s @ 200km) Command 3 Tanks Liquid Engine Decoupler Triple coupler 3 Solids Simple Orbiter: Chute Command Decoupler 3 Tanks Liquid Engine Decoupler Triple coupler 3 Solids Can anyone beat those?