On Thursday, 11 May 2017, Nobuo Hayashi defended his PhD dissertation entitled “Military Necessity”. A brief summary provided below.

This research paper seeks to examine the nature of the nexus between right-wing extremism and the military by surveying five potential consequences (i.e., problem areas) arising from the presence of right-wing extremists within the armed forces of twelve Western countries.

This open access volume surveys the state of the field to examine whether a fifth wave of deterrence theory is emerging. Bringing together insights from world-leading experts from three continents, the volume identifies the most pressing strategic challenges, frames theoretical concepts, and describes…

Russian military concepts developed in the late 19th and early 20th centuries still exist and have not lost their strategic relevance. The Russians used them to annex Crimea and are now applying them in the war in Ukraine. Although the concepts have been around for a long time, it does not mean they…

To what extent and in what manner can experimental video be used to reclaim the capacity for telling one’s own story, on one's own terms, speaking in tongues outside the linguistic framework of immune system discourse?

Fighting for the faith, caring for the sick, and praying for the soul of their benefactors were the main tasks of the military orders, who since the time of the crusades were well represented in the Netherlands in the Middle Ages, including the Frisian lands. Especially the Hospitallers and the Teutonic…

Gender sidestreaming? Analysing gender mainstreaming in national militaries and international peacekeeping

Subproject of

In December 2014, Leiden University’s Institute of Security and Global Affairs with the Australian National University’s Asia-Pacific College of Diplomacy and the International Centre for Counter-Terrorism, commenced a research project to assess how (temporary) military interventions can best prepare…

These three repors are part of a research project that assesses how military interventions can best prepare the ground for an effective long-term counter-terrorism policy. Three different cases have been studied, and they have each provided the input for the policy relevant recommendations that are…

On Thursday, 11 May 2017, Nobuo Hayashi will defend his PhD dissertation entitled “Military Necessity” at Leiden University’s Academy Building (Rapenburg 73). He will argue that military necessity denotes normative indifference in international law.

A story of Two Mosuls, The Resurrection of the Iraqi Armed Forces and the military defeat of ISIS. In this article, published in the Journal of Strategic Studies, the authors Maarten Broekhof, Martijn Kitzen and Frans Osinga discuss the military adaptation by the Iraqi armed forces and their role in…

The Institute of Security and Global Affairs (ISGA) of Leiden University contributed to the design and teaching of modules of this year’s edition of the Ministry of Defence’s ‘International Military Cooperation Course Africa’.

The question of how military interventions can best transition to a long term counter-terrorism policy forms the core research question of three interlinked reports. This research project has been completed with support of NATO’s Science for Peace and Security Programme. Leiden University researchers…

A team led by Dr. Yannick Veilleux-Lepage (Institute of Security and Global Affairs) and Joris Larik (Leiden University College The Hague) have secured research funding from the Canadian Department of National Defence and Canadian Armed Forces funded RWE-CAF Research Network.

K-pop band BTS joining the Korean military is a compulsory obligation, one with increased meaning as tension builds on the Korean Peninsula and around the world, postdoc Aleydis Nissen writes in an article in The Diplomat.

Twenty years after the passing of Resolution 1325, the participation of women as military personnel in peacekeeping operations remains limited. Women currently comprise just under five per cent of military personnel in UN peacekeeping missions, and the UN consistently calls for more.

For his PhD, historian and army major Dion Landstra researched the effectiveness of observers in peace operations in the Balkans between 1991 and 1995. What risks are acceptable for bringing about and maintaining peace? Landstra will defend his PhD on 28 September.

In the course ‘Research Design CSM’ Dr. Elke Devroe and Moniek Akerboom organized this year a competitive research conference where students of the Master Crisis and Security Management (CSM) presented their research design in order to gain some (fictive) funding on their proposal.

In theory, states can gain security by acquiring internal arms or external allies. Yet the empirical literature offers mixed findings: some studies find arms and allies to be substitutes, while others find them to be complements. Political scientists Matthew Digiuseppe (Leiden University) and Paul Poast…

PhD defence

Subproject of

Which circumstances have determined the transition to, or the dominance of, a particular type of military employment in different societies at different times?

This thesis studies the relationship of the town al-Fusṭāṭ, located at the southern end of the Nile delta in Egypt, and its hinterland in the period between the town’s foundation in A.D. 641 and the arrival of the Abbasids in 750.

This is the 2017 paperback release of William Michael Schmidli's The Fate of Freedom Elsewhere, which won the 2013 Foreign Affairs Magazine Best Book of the Year.

If we want to solve global problems, we need to know about both the theory and the practice. How does the international community make decisions about military intervention, for instance? Why is it such a complex process? Professor Herman Schaper has represented the Netherlands at the United Nations…

In the last two decades, there have been heated public and scholarly debates in France, the United Kingdom, and the Netherlands on the violent end of empire. Nevertheless, the broader comparative investigations into colonial counterinsurgency tend to leave atrocities such as torture, execution, and…

Our subscribers have written several publications about international security issues.

It is widely known that conflict parties engage in ceasefires for a variety of reasons, but how do these reasons relate to the military and political aspirations of conflict party leaders?

This edited volume by Jeff Fynn-Paul pushes forward the debate on the role of entrepreneurs in making war and building states in Europe and the Ottoman Empire.

Zeynep Sarlak defended her thesis on 25 August 2020

How do first-hand narratives of war of commanders in the front line relate to the official narrative of the Eighty Years’ War?

The debate about state behaviour in cyberspace may be set in the wrong legal key.

This project aims to excavate and date the setting of the east gate of the Roman fortress of Udhruḥ. This will be compared with other Diocletianic military installations from the region. We also hope to retrieve another gate inscription which can shed light on the function and political embedding of…

Proceedings of the Eighteenth Annual Theoretical Roman Archaeology Conference Amsterdam 2008

By training with virtual opponents known as computer generated forces (CGFs), trainee fighter pilots can build the experience necessary for air combat operations, at a fraction of the cost of training with real aircraft.

Using object assemblages to reconstruct activities, modes of deposition and abandonment at the Late Bronze Age dunnu of Tell Sabi Abyad, Syria.