Prosecutors revealed that Mohammed Hamzah Khan, 19, of suburban Chicago, had tried to take his 17-year-old sister and his 16-year-old brother with him to join the Islamic State in the Middle East. The head of US forces in Europe said more rotational troops are needed to address security challenges in Eastern Europe. The US is establishing a new task force to assist Iraqi military forces prepare for a major spring offensive against the Islamic State. Gen. Odierno, the US Army chief of staff, said the effort to defeat the Islamic State will take three to four years.
