Defense Minister Ahn Gyu-back, right, shakes hands with his Japanese counterpart Shinjiro Koizumi after their bilateral talks during the Shangri-La Dialogue in Singapore, Saturday. YonhapKorea has discussed a Japan-proposed bilateral military logistics support pact with Tokyo, although Seoul maintained its reservations over the matter, Defense Minister Ahn Gyu-back said Sunday.Ahn made the remarks to the press at a defense forum in Singapore, a day after he had bilateral talks with Japanese Defense Minister Shinjiro Koizumi."There were discussions regarding an (potential) ACSA (acquisition and cross-servicing agreement)," Ahn told reporters at the Shangri-La Dialogue. He declined to give further details."As this is a matter that requires understanding and persuasion from the peoples of both countries, we still believe that we should remain cautious," he said.