Protective burning Ed GE RTC 4 possibly means the fourth Ranger Training Course

Arthur, Trevor E., Protective burning Ed GE RTC 4 possibly means the fourth Ranger Training Course (1958-1988), [UMA-ITE-2012027900021]. University of Melbourne Archives, accessed 02/05/2026, https://archives.library.unimelb.edu.au/nodes/view/321136