 On January 18, 1952, South Korea, a non-signatory state to the San Francisco Peace Treaty, announced the Presidential Declaration of Sovereignty over Adjacent Seas (Peace Line, Rhee Line) including Liancourt Rocks within Korean territory along the expiring MacArthur Line (SCAPIN#1033; June 22, 1946 – April 1952) before the Peace Treaty came into force on April 28.On July 18, 1952, South Korea issued a presidential order to seize all illegal foreign vessels engaging in fishing in breach of the Peace Line.On May 23, 1952, in a Foreign Affairs committee meeting held in the House of Representatives, Ishihara, Vice-minister of Foreigner Affairs acknowledged MOFA's intention regarding the designation of Liancourt Rocks as bombing range for Occupation Forces in response to a question raised by Yamamoto, a Diet member from the Shimane constituency