July 12 (UPI) -- Russian Foreign Minister Sergey Lavrov traveled to North Korea on Friday to meet with his North Korean leader Kim Jong Un and others during a three-day visit. He said Moscow respects North Korea's efforts to develop nuclear arms by using its own scientists amid recent military exercises involving the U.S., South Korean and Japanese forces, according to CNN . The U.S. and its South Korean and Japanese allies conducted a joint aerial training operation on the Korean Peninsula on