Air
Could the West's failure to secure a new nuclear deal with Iran, force some Arab and Middle East countries to develop their own nuclear weapon programmes?
Sea
Recent missile strikes on Odessa in Ukraine's south continue to fuel speculation about Russian intentions for the strategic sea port, which is Ukraine's lifeline to the rest of the world.
Air
A UK government inquiry aims to better understand how private military contractors like the Wagner Group operate, and whether members can be sanctioned.
The conflict in Ukraine has united the West, which has imposed unprecedented levels of economic sanctions against Russia. But as the war rages on, how long can Ukrainian Armed Forces hold off Russian advances without the fighter jets and no-fly zone it asked for?
China now boasts the largest navy in the world. So how did it come to rule the waves and how are other navies responding?
Despite decades of research, all-electric vehicles on the battlefield remain a pipedream for now. But momentum is building around hybrid-electric drive and sustainable fuels, which are seen as the next best step if armies are to make any progress towards reducing greenhouse gas emissions.
Highly publicised problems with noise and vibration inside the Ajax vehicle are just the tip of the iceberg, according to recent reports into the programme’s failings, which point to systemic failures and wider issues within UK defence procurement.
Israel's High-Power Laser Air Defence System "Iron Beam" successfully completes series of live tests.
Estonia's National Cyber Security Director to join Milrem Robotics as Science and Development Director.
Brazilian Air Force takes delivery of first serial production Gripen E fighters to increase deterrence capabilities.