Tourists visit the Korean War Veterans Memorial in Washington, D.C., June 30, 2010. The United States fought its first battle with the North Korean People's Army on July 5, 1950. Tourists visit the Korean War Veterans Memorial in Washington, D.C., June 30, 2010. The United States fought its first battle with the North Korean People's Army on July 5, 1950. SHARE: Download: Full Size (3.11 MB) Tags: Photo Essays Credit: VIRIN: 128943-J-OUS17-261.jpg Photo Gallery