The U.S., South Korea and Japan will sign a deal to formalize their security partnership against threats from North Korea’s nuclear weapons, cementing ties before America inaugurates its next president in January.

South Korean Defense Minister Shin Wonsik said in an interview that he will soon meet his U.S. and Japanese counterparts to sign the pact known as the Trilateral Security Cooperation Framework.

"A priority would be to establish a system to more effectively, promptly and coherently respond to North Korea’s nuclear and missile threats among South Korea, the U.S. and Japan, and to make that irreversible,” he said in the interview in his office in Seoul on Friday.