Retired Navy special forces officer Robert Harward allegedly declined the White House position, citing a question of clarity regarding the lines of his authority and staffing.
Meanwhile, Trump says he will issue a new executive order limiting immigration to the United States.
He’s also promising to continue to fight for his original executive order in court.
The original executive order has been cited by federal judges as violating the freedom of religion and due process clauses of the U.S. Constitution.
President Trump says something new will be released next week.