How Hamas's web of allies makes ending the war harder for Israel The fact that Hamas seems to be leading a large and relatively diverse coalition suggests Israel is not only facing a Hamas problem Military • 01 Dec
Inside the 'Gaza Metro', the network of Hamas tunnels under Gaza What can Israeli soldiers expect when they enter this vast network of interconnected tunnels? Military • 02 Nov
'A bitter war': what comes next in the Israel-Hamas conflict? Experience tells us a land war and urban warfare won't go well - and faltering international support suggests the world knows it too Military • 01 Nov
What would be the implications of a Russia-North Korea arms deal? While Russia needs North Korea for rockets and missiles, Kim Jong Un will be seeking technology to develop missiles in return Military • 12 Sep
How drones have changed the conflict in Ukraine war Drones are now used extensively by both sides on the frontline - and far beyond Military • 18 Aug
What is going on with the Ukrainian counteroffensive? After two months of slow progress, the long-awaited counteroffensive appears to be gaining momentum Military • 01 Aug
Is there a moral justification for the use of cluster bombs? 'This is possibly the first time that cluster bombs will be used by a State inside their own territory, which changes everything' Military • 12 Jul
What Russia's paramilitary mutiny means for Putin & Ukraine war The Russian president has been seriously weakened by the Wagner group's attempted coup and exposed cracks in his regime Military • 26 Jun
Who gains from the destruction of the Nova Kakhovka dam? This episode suggests Russia is less interested in liberating Ukraine than in destroying its ability to function as a sovereign nation Ukraine • 07 Jun
Has the Ukraine war spread to Russia? Here's what we know so far about reports of battles being fought across the border in Russia Military • 24 May
The battle for Bakhmut: a fierce struggle and devastating losses There is a heavy cost being paid for modest progress in Bakhmut with both sides bogged down in the spring thaw Military • 08 Mar
Why Kyiv's western allies must rethink limits of military aid "Range anxiety" is central to understanding the protracted nature of the limited war being fought between Russia and Ukraine Military • 22 Feb
Will Russia still be able to get soldiers to fight in Ukraine? A year into a war Moscow expected to win easily, there are growing signs of anger, frustration and resistance from Russian soldiers Military • 21 Feb
What happens next in Ukraine? Here are 3 possible scenarios Given the failure to predict the war, is there any chance we could do a better a job of assessing how it might develop? Military • 20 Feb
How thousands of women are serving on the front lines in Ukraine Attitudes to women in the Ukrainian military have changed hugely during the war, with many serving with units on the front lines Military • 03 Feb
Ukraine war: how will the next few months unfold? While the outcome of the war is hard to predict, neither side seems currently placed to inflict decisive damage on the other Military • 27 Jan
Will Leopard 2 tanks be a game-changer in Ukraine? A consignment of these high-powered battle tanks will undoubtedly raise Ukraine's combat capacity in the coming months Military • 25 Jan
Why can't the West agree on military support for Ukraine? Germany's indecision over its Leopard tanks reflects the lack of a clear strategy in how the West is approaching the war in Ukraine Military • 24 Jan
Are Russia's attacks on Ukraine's power grid a war crime? Bombing aimed at damaging civilian morale does not offer a military advantage and should be regarded as unlawful Military • 08 Dec 22
What could missile attack on Poland mean for the rest of Europe? The missile which struck a village in Poland is a significant incident and will require careful management Military • 16 Nov 22
Why Putin's Kherson defeat could be his most humiliating yet Here are 3 reasons why Russia's defeat in Kherson loss could prove decisive in the war in Ukraine Military • 10 Nov 22
What, if any, are the chances of toppling Putin in Russia? Any speculation on leadership or regime change must take the ongoing war and Russian military failures into account Russia • 28 Oct 22
What are 'dirty bombs' - and why is Russia talking about them? These weapons use conventional explosive mixed with radioactive materials designed to contaminate large areas Military • 27 Oct 22
Why 'General Winter' is not good news for the Russan army Fighting and moving efficiently in severe winter conditions takes a great deal of experience, logistics and training Military • 26 Oct 22
Could the Ukrainian war spread to Irish waters? Ireland's sea and air borders are wide open for those with hostile intent, money and the capability to cause mischief Maritime security • 19 Oct 22