its really simple
the lower tank is lander (engines are used to slow down, maneuvers or liftoff) when i need to liftoff from mars i undock from it
if the engines ran out of fuel i used these spare tanks to fuel it back
and i also used capsule fuel if the upper stage also ran out of fuel...
CSP (Chaos star pack) Update is here!
What's new:
Added MC-4 (Copy of mercury) And VE-67 (Copy of Venus)
Added SA-278
Made Chaos star atmosphere bigger
It may be challenging to reach it.
This pack adds
Chaos star - Star.
EA-5 - A copy of earth orbiting Chaos star.
MA-2 - Copy of Mars orbiting chaos star.
Cosuto - Gas giant with rings orbiting chaos star. Also it have a moon.
EU-91 - A copy of europa orbiting Cosuto. Also it does have strange...