Why did Summer try to kill Pitt outside the Royal Hawaiian Hotel bar?

What is the significance of Pitt's job at the National Underwater Marine Agency?

Boland's attitude toward Pitt seems to change on board the Martha Ann. Why?

In spite of having devised the plan to put a crew on the Starbuck, Pitt, while flying to the site, has second thoughts and considers aborting the mission. What changed his mind?

What is the role of the Pisces Pacific Corporation in Delphi's organization? How did its role change?

What is the significance of Delphi's underrating Pitt?

How might the sale of the Pisces Pacific Corporation have led to the fate of the Andrei Vyborg?