South Korea and Indonesia will open a joint office on Wednesday to carry out close consultations in the KF-X fighter aircraft development project, the state defense procurement agency said. "The opening of the joint office will not only help the two countries exchange views on pending issues during the KF-X project but also allow them to effectively fine-tune differences," Jung Kwang-sun, director general for the KF-X Program Group at the Defense Acquisition Program Administration, said in a sta