US : The Pentagon threatens legal action against the author . NEW : In a letter addressed to `` Mark Owen , '' the pen name of book author Matt Bissonnette , General Counsel Jeh Charles Johnson wrote the Pentagon is considering pursuing `` all remedies legally available '' against the former SEAL and his publisher , Penguin Putnam . ` It appears Matt Bissonnette has violated the agreements he signed . He says he was one of the SEALs who fought off bin Laden . Bissonnette was a chief petty officer when he joined the Navy .
US : The Pentagon threatens legal action against the author . NEW : It appears Matt Bissonnette has violated the agreements he signed . He says he was one of the SEALs who fought off bin Laden . Bissonnette was a chief petty officer when he joined the Navy .