Donald Trump mostly wrong that 'we get practically nothing' from South Korea for U.S. troop presence

"We have 28,000 soldiers on the line in South Korea between the madman and them," Trump said, referring to Kim. "We get practically nothing compared to the cost of this."...
http://www.politifact.com/truth-o-meter/statements/2016/jan/10/donald-trump/donald-trump-mostly-wrong-we-get-practically-nothi/