In 2019, Luke Brown took up the duties of the Assistant Secretary Space Services, Training Areas and Simulation branch of the Australian Department of Defence Joint Capabilities Group. In this role he is the Capability Manager for military Satellite Communications, GPS and, more recently, Defence Training areas and Simulation. Luke originally joined the Royal Australian Air Force in 1982. As an Aeronautical Engineer he worked on mostly transport aircraft. In the early 1990s Luke also worked as part of the RAAF team in development of the Defence Airworthiness framework. From 1996 Luke worked in various acquisition engineering and project management roles in Aerospace and Guided Weapons. After transitioning to the public service in 1999 he continued in Defence acquisition including secondment with the UK MoD and the Air-to-Air refuelling aircraft team in Madrid, Spain. Prior to his current appointment, Luke was the Chief Engineer of the Capability Acquisition and Sustainment Group. Luke has a Bachelor of Engineering (Aeronautical) from RMIT, a Master of Science (Aerospace Systems Engineering) from Loughborough University, UK, and a Master of Business (Complex Project Leadership) from QUT. Luke is also a Fellow of the Institution of Engineers Australia.