Ｐｒｅｖｅｎｔｉｎｇ Ｓｐａｃｅ Ｗａｒｆａｒｅ

ＨＯＮＧ　ＹＵＡＮ

Military competition and conflict inouter space can be divided intothree stages: militarization, wea-ponization and the space battle-field.