1. Chamayou, Grégoire., and Janet Lloyd. 2015. A Theory of the Drone. New York: The New Press.
2. Chapa, Joseph O. 2017. Remotely Piloted Aircraft, Risk, and Killing as Sacrifice: The Cost of Remote Warfare. Journal of Military Ethics 16: 256–271.
3. GASCC22 – Ethics and Morals, speech by Air Marshal Stringer at the Global Air and Space Chiefs’ Conference 2022, The Air and Space Power Association, https://www.youtube.com/watch?v=URlwOsrgoXk.
4. Gillard, Emanuela-Chiara. 2018 Proportionality in the Conduct of Hostilities: The Incidental Harm Side of the Assessment. Chatham House Research Paper.
5. Grief, Nick. 2022 The Airspace Tribunal: Developing the Human Rights Dimension of Airspace and Outer Space. In Shona Illingworth – Topologies of Air, Downey, Anthony. ed. London: Sternberg Press and The Power Plant, pp. 233–238.