It's summertime, and that means families are gearing up for vacations to faraway lands. How will they arrive to their destinations? Well, some may opt to cruise. The cruise ships of today are very different from those on the high seas a decade ago. From celebrity-inspired chef restaurants on board to headline-grabbing personalities providing entertainment, cruise ships are pulling out all the stops to thieve market share from land-based vacations. TheStreet's Brian Sozzi speaks with Norwegian Cruise Line's CEO Kevin Sheehan on board the company's ship "Breakaway." Sheehan shares how Norwegian Cruise Line is investing in its' business in an effort to sail past the competition.