It is not hard to identify the great (and successful) commanders across history – and it turns out they have a few things in common. But what has changed with the advent of control measures into the C2 rubric? Peter talks to Professor Michael Clarke about how compression and expansion have shaped the modern military C2 machine, about the skills needed from a commander today, and how the political military relationship is changing – given the ability to orchestrate campaigns from afar. The conversation ends by touching on the added complexity of coalition partners and allies in C2 structures: There is no doubt that this requires a successful commander to have an even wider playlist than was the norm across history. Whether we talent spot and train these individuals well enough is a more dubious proposition.