After implying he'd like to " flex new muscles " after Transformers 4, director Michael Bay has officially passed on helming Transformers 5 -- and instead, will tackle the Benghazi-based 13 hours.

According to Variety , Bay's 13 hours is based on the novel Thirteen Hours: A Firsthand Account of What Really Happened in Benghazi by Mitchell Zuckoff, which had its film rights acquired by Paramount in February. The story recounts the terrorist strike on the U.S. Special Mission Compound & CIA Annex in Benghazi, 11 years after the September 11 attacks.

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Scribe Chuck Hogan (The Town, FX's The Strain) has been tapped to write 13 Hours for the big-screen. The tone will reportedly be in line with Bay's other popular thrillers -- like The Rock -- and Ridley Scott's Black Hawk Down.Keep your eyes on IGN Movies for further news on Transformers 5!

Anthony Couto is a writer for IGN. He’s just your average Babe (and a Pig in the City). Ponder with him on Twitter ator on IGN at