


Small unmanned aerial systems have turned low-altitude air defence into a detection problem as much as an interception problem. Quadcopters and lightweight fixed-wing drones can fly slowly, hover, and exploit clutter from terrain, buildings and vegetation. Their radar cross-section is…

Russian authorities said drones struck infrastructure in the Black Sea port of Tuapse overnight, causing fires at a port berth and at the Tuapse oil refinery, an export-oriented facility owned by state oil company Rosneft. The operational headquarters of Russia’s…

A year after the Russian general cargo ship Ursa Major sank in the western Mediterranean, a Spanish newspaper investigation has put fresh focus on Russia–North Korea military cooperation and the methods used to move sensitive matériel under sanctions. The vessel…

Russia is likely preparing to station its new nuclear-capable Oreshnik hypersonic ballistic missile system at a disused airbase in eastern Belarus, according to two US researchers who analysed recent commercial satellite imagery. Jeffrey Lewis, of the Middlebury Institute of International…

In a conflict now stretching into its fourth year, Ukraine has steadily refined not only its will to resist but its strategic acumen on the battlefield. The most recent milestone — a successful strike on Russia’s Novoshakhtinsk oil refinery using…

Ukraine’s Defence Intelligence Directorate (HUR) has said a covert operation inside Russia damaged two Russian fighter aircraft, a Su-30 and a Su-27, at a military airfield near the city of Lipetsk. In a statement dated 22 December, HUR said a…

Ukraine’s Security Service (SBU) says it has struck a Russian “shadow fleet” oil tanker in neutral waters of the Mediterranean Sea, describing the operation as its first such attack in the region and the longest-range maritime strike publicly attributed to…

Sweden’s navy has said Russia is running a military operation in the Baltic Sea that appears designed to protect the vessels commonly described as Moscow’s “shadow fleet” — tankers used to keep oil moving despite Western restrictions. In remarks reported…

Ukraine’s Security Service (SBU) said on Monday that it had struck a Russian Kilo-class submarine at the Black Sea port of Novorossiysk using an underwater “kamikaze” drone, publishing video of a large underwater blast near a pier where vessels were…

A drone attack was reported overnight in Yaroslavl, north-east of Moscow, with social-media footage showing a fire in an industrial district and open-source accounts identifying one of Russia’s largest oil refineries as the apparent target. Yaroslavl lies more than 700…