I'm not entirely sure which specific 'greyhound ship true story' you are referring to. There could be many stories related to greyhound ships. It might be about a particular voyage, an event on board, or something related to the history of greyhound ships in general.
Without knowing the exact 'greyhound ship true story', it's tough to give key details. But in a typical ship - related story, key elements could include the origin of the ship. For example, was it built in a famous shipyard? The crew composition is also important, were they all from the same region or a diverse group? And any notable incidents during its voyages, like encountering a storm and how they survived it, or if they discovered new lands or trade routes. These could all be potential key details in the story.
Greyhound is based on true happenings. It gives a fictionalized account of real historical occurrences related to naval warfare during that time period. While it may not be a 100% accurate retelling, it captures the essence of the events.
The movie Greyhound is not based on a true story. It takes elements from the setting of World War II but creates a fictional narrative for entertainment purposes. However, it does aim to capture the intensity and challenges of naval warfare during that time.