Australian Tracker 845 in the chocks prepares to launch from HMAS Melbourne, 1979 Posted on July 20, 2016 by laststandonzombieisland Leave a comment Australian Tracker 845 in the chocks prepares to launch from HMAS Melbourne, 1979 Previous Next Return to Warship Wednesday July 20, 2016: The Majestic, if unlucky, Aussie flattop