In this article, via Defence-In-Depth, Kings College London, two historians Dr Huw Davies and Dr Robert Foley, outline the relevance of the operational art and operational level of war concept to the Napoleonic Wars, the First World War, and the Second World War.

This document via the United States Air Force College provides a concise 1 1/2 page explanation of each of the levels and how they relate to one another.

In less than a page encyclopedia.com breaks it down for us, explaining that operational art forms a bridge between strategy, defining the political aims of a war, and tactics, fighting the battles of a war.

The book 'The Operational Art: Canadian perspectives: Context and Concepts', edited by Allan English, Daniel Gosselin, Howard Coombs and Laurence Hickey contains a number of essays that are designed to make a contribution to professional military education.

This article by Brian Michelson via The Strategy Bridge discusses the idea that we are relatively accepting of warbots in roles such as reconnaissance, selective strike and logistics support, however there remains a level of discomfort with incorporating warbots into primary combat roles.

This video titled 'How do we learn from the past?' is from the 'What is War Today?' series of panel discussions presented by the University of Cambridge. The panel discussion is chaired by Professor Sir Hew Strachan who is featured across a number of our #BreakIn subjects. 

Here via Business Insider Australia we share an email General Mattis wrote in 2003 on the importance of reading (note: copies of the same email are provided by multiple online sources).

Watch this time lapse video 'World Battleground: 1000 years of war in 5 minutes' by Kolomaire via YouTube.

This article titled ‘Strategy, Theory and History’ by Dr Christian Tripodi via Defence-in-Depth, discusses how a particular experience changed his approach. He moved from not wanting to be labeled as a military historian for fear of producing unoriginal and derivative work, to embracing the label.

This paper, based on a presentation by Sir Michael Howard, forms part of the Shedden Papers at the Centre for Defence and Strategic Studies. It conveys concepts central to the study of military history, and military strategy, and also pays tribute to broader concepts such as the manner and purpose of scholarly inquiry.