Collective defense is at the heart of European security. Enshrined within Article 5 of its founding treaty, NATO allies see “an armed attack against one or more of them in Europe or North America shall be considered an attack against them all.” Written over seventy years ago with the threat of …

The joint force is in a period of introspection, realizing, after two decades of counterinsurgency operations, that it has lost its monopoly on power. When military professionals and scholars discuss the ways the character of war has changed, they focus most on the blurring of traditional elements of conflict—that is, the …

Russian President also ordered strengthening of Russia’s borders and safety of residents in annexed regions of Ukraine. Russian President Vladimir Putin has ordered the strengthening of Russia’s borders and instructed security services to keep greater control of society and root out “traitors, spies and saboteurs”, the country’s news agencies have …