Trump's Autograph President Donald J. Trump signs a hat for a service member after speaking to the troops at Osan Air Base, South Korea, June 30, 2019. SHARE IMAGE: Download Image: Full Size (0.4 MB) Tags: President, Trump, South Korea Photo By: Air Force Staff Sgt. Sergio A. Gamboa VIRIN: 190630-F-IH072-1686.JPG Photo Gallery