Military vehicles carry DF-10 ship launched cruise missiles, drive past the Tiananmen Gate on September 3, 2015 in Beijing, China. (Andy Wong - Pool /Getty Images)
US Acting Defense Secretary Patrick Shanahan and South Korean Defense Minister Jeong Kyeong-doo attend a welcome ceremony at the Pentagon on April 1, 2019 in Washington, DC. (Getty Images)
President Donald Trump and Prime Minister of Israel Benjamin Netanyahu (R) show members of the media the proclamation recognizing Israel’s sovereignty over Golan Heights on March 25, 2019 in Washington, DC. (Alex Wong/Getty Images)
Germany's Chancellor Angela Merkel and France's President Emmanuel Macron (R) talk to each other prior to pose for a family photo on March 22, 2019 in Brussels at the end of an EU summit focused on Brexit. (LUDOVIC MARIN/Getty Images)
Flags of NATO member states are seen ahead of the NATO Foreign Ministers meeting at NATO Headquarters in Brussels, Belgium on December 04, 2018. (Dursun Aydemir/Anadolu Agency/Getty Images)