He was with me right from the beginning,” the president-elect says of the retired lieutenant general, who will also serve as assistant to the president

The retired Army lieutenant general could play a key role in any negotiations to end the yearslong war between the countries.

President-elect Donald Trump said Wednesday that he will nominate retired Lt. Gen. Keith Kellogg to serve as assistant to the president and special envoy for Ukraine and Russia.Kellogg is one of the architects of a staunchly conservative policy book that lays out an “America First” national security agenda for the incoming administration.