GARMISCH-PARTENKIRCHEN, GERMANY - JUNE 28: U.S. Defense Secretary James N. Mattis briefs the media after bilateral talks with German Defense Minister Ursula von der Leyen before the celebration of the 70th anniversary of the Marshall Plan at George C. Marshall European Center for Security Studies on June 28, 2017 in Garmisch-Partenkirchen, Germany. The Marshall Plan was established 1947 after World War II to fund the rebuilding of Germany after the war. (Photo by Lennart Preiss/Getty Images)