April 3, 2013 at 5:06 pm
http://www.dsca.mil/pressreleases/36-b/2013/Korea_13-10.pdf
60 F-35A for $10.8 billion
http://www.dsca.mil/pressreleases/36-b/2013/Korea_13-11.pdf
Parts(Radar, sensors, etc) for 60 Silent Eagles for $2.4 billion. The airframe and engines are DCS(Direct Commercial Sales) and not covered.