KATUSAs patrol streets for first time Published July 16, 2012 By Senior Airman Michael Battles 51st Fighter Wing Public Affairs OSAN AIR BASE, Republic of Korea -- Members of the 51st Security Forces Squadron and Republic of Korea Army, perform a routine town walkthrough, July 12, 2012. This is the first time the 51st Security Forces Squadron has worked with Korean augmentees to the U.S. Army in their patrols. KATUSAs will act as translators between Korean locals and U.S. service members. (U.S. Air Force photo/Senior Airman Michael Battles)