Defense Secretary James N. Mattis discusses Russia’s seizure of three Ukrainian ships at the mouth of the Sea of Azov while speaking with reporters at

Defense Secretary James N. Mattis discusses Russia’s seizure of three Ukrainian ships at the mouth of the Sea of Azov while speaking with reporters at the Pentagon, Nov. 28, 2018. DOD photo by Jim Garamone

Defense Secretary James N. Mattis discusses Russia’s seizure of three Ukrainian ships at the mouth of the Sea of Azov while speaking with reporters at the Pentagon, Nov. 28, 2018. DOD photo by Jim Garamone