Hanks, 60, has written the script with an eye to star, reported Deadline.
Hanks would be portraying a career officer given command of a Navy destroyer, named Greyhound, who has to deal with combat enemies and his own self doubts.
Playtone is in negotiations with FilmNation to finance "Greyhound", which has a budget in the USD 35 million range.
Earlier, Hanks wrote the script for 2011's "Larry Crowne" with Nia Vardalos, in addition to directing and starring.
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