Royal Australian Air Force - An #AusAirForce Combat Controller, from No.4 Squadron, practices his drills before jumping out of a C-130J Hercules during Exercise Havoc Drop at RAAF Base Wagga | Facebook
Royal Australian Air Force - Combat Controllers from No. 4 Squadron based at RAAF Base Williamtown practice close air support serials with PC-21 aircraft during Exercise Havoc Strike Combat Control Teams (CCT)
![File:Two No 4 Squadron RAAF combat controllers on board a No 37 Squadron C-130J in 2016.jpg - Wikimedia Commons File:Two No 4 Squadron RAAF combat controllers on board a No 37 Squadron C-130J in 2016.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/6/6b/Two_No_4_Squadron_RAAF_combat_controllers_on_board_a_No_37_Squadron_C-130J_in_2016.jpg)