REUTERS

The plane landed at Kyiv's Boryspil International Airport where U.S. Ambassador to Ukraine Marie Yovanovitch and American diplomats met Mattis exchanging greetings. Then the Pentagon chief got into the car and left the airport.

Read alsoMattis elaborates on agenda of Ukraine Independence Day visitAs UNIAN reported earlier, Mattis would take part in the celebrations on the occasion of Ukraine's Independence Day in Kyiv on August 24. The first visit of the U.S. Secretary of Defense to Ukraine over the past 10 years will take place according to preliminary agreements with the American side reached during the visit of Ukrainian President Petro Poroshenko to the United States in June this year.

August 24, the Pentagon chief will hold talks with President Poroshenko and Ukrainian Defense Minister Stepan Poltorak.