A US Air Force veteran accused of trying to join Islamic State has appeared in court in New York and denied all charges.
Tairod Nathan Webster Pugh, a 47-year-old former aircraft mechanic from New Jersey, spoke only to repeat his name to the judge.
His lawyer, Michael K Schneider, entered the plea on his behalf.
Mr Pugh has been charged with trying to provide material support to a terrorist group and obstructing justice.
He was stopped at a Turkish airport in January with a laptop that had detailed information on border crossings into Syria and jihadist videos, according to court papers.
A letter he allegedly wrote to a woman thought to be his wife says: "I will use the talents and skills given to me by Allah to establish and defend the Islamic States.