The Guardian (2006 film)

The Guardian is a 2006 action-adventure drama film directed by Andrew Davis. The film stars Kevin Costner, Ashton Kutcher and Melissa Sagemiller. The film's title is introduced by a mythic tale: people lost at sea often claim they feel a presence lifting them to the surface, breathing life into their bodies while they are waiting for help to arrive. They call this presence ``The Guardian''. The setting for the film is the United States Coast Guard and their Aviation Survival Technician (AST) program. The Guardian was released on September 29, 2006.

Question: was the movie the guardian based on a true story
Answer: no