Aerial defence


Australia's decision to spend $7 billion on six MQ-4C Triton remotely piloted aircraft revives the nation's involvement with drones – and the ethical questions that come with them, writes Jai Galliott. 

Jump jet 1

Defence must weigh the complicated costs and benefits of acquiring jump jets, not just in terms of strategic value and capabilities, but additional acquisition and sustainment costs, writes Steven L Jones.