Inheritance via Classes

#inheritance through space ships!

class SaturnV
    def initialize
        @name = 'Saturn V'
        @fuel = 'liquid hydrogen'
        @mission = 'go to the moon'
    end

    def take_off
        return "We're taking off! YAY!"
    end

    def to_s
        return @name + " has a mission to " + @mission
    end
end

class SLS < SaturnV
    def initialize
        @name = 'SLS'
        @fuel = 'liquid hydrogen'
        @mission = ' to make it to Mars and Europa'
    end
end

class Enterprise < SLS
    def initialize
        @name = 'Starship enterprise'
        @mission = 'to boldly go where no man has gone before'
        @fuel = 'antimatter'
    end
end