The Pentagon, headquarters of the U.S. Department of Defense
© Wikipedia/ Master Sgt. Ken Hammond, U.S. Air ForceThe Pentagon, headquarters of the U.S. Department of Defense
The order, signed the afternoon of January 28, calls for the Joint Chiefs of Staff to present the new president with a plan to defeat the terrorist organization in 30 days.

"I am directing my Administration to develop a comprehensive plan to defeat ISIS... The Plan shall include... identification of new coalition partners in the fight against ISIS and policies to empower coalition partners to fight ISIS and its affiliates," Trump said in a memorandum.

Trump campaigned on promises to defeat Daesh "in a month" and repeatedly suggested that the reason the fight had dragged out so long was that US military capabilities were being somehow hamstrung. In his first visit as president to CIA headquarters, he reiterated that "Radical Islamic terrorism... has to be eradicated. Just off the face of the Earth."

He has called Daesh "pure evil" on more than one occasion.

Trump has signed a raft of other executive orders in the past few days, including a controversial ban on refugees entering the US and a temporary ban on allowing individuals from seven mostly Middle Eastern nations, even some legal residents, to enter the US.