BAE Systems Australia operational maintenance delivery FEATURED Williamtown, Salt Ash by News Of The Area - Modern Media - July 15, 2016July 15, 2016 BAE Systems Australia took over operational maintenance of the Hawk 127 Lead-In Fighter on Friday, 1 July, in an extension of its contract for in-service support of the Lead-In Fighter training system. This marks the transfer of first line Hawk maintenance from Royal Australian Air Force technicians to our partners at