A Russian military captain has urged Vladimir Putin to deploy the nation's nuclear-capable hypersonic missile against Europe, a move that could potentially ignite World War III.

Moscow has been urged to use the Oreshnik hypersonic missile, which is said to be impossible to stop due to its speed

New images assessed by Business Insider show new roadworks, buildings, and modifications, with some sites undergoing rapid expansion.

General Christopher Donahue, commander of U.S. Army Europe and Africa, said allies could seize Kaliningrad "in a timeframe that is unheard of."

The past two months have witnessed a remarkable spike in warfare involving nuclear powers. From May 7 to May 10, India and Pakistan exchanged artillery fire, bombs, cruise missiles, and drones in their most intense round of combat since 1999.

Russia has been upgrading and modernizing several nuclear bases for its European and Pacific forces. Business Insider obtained new satellite images that show the major construction at the sites.

Former Russian President Dmitry Medvedev said on Thursday that Russia had no plans to attack NATO or Europe but, if the West escalated the Ukraine war any further, then Moscow should respond and, if necessary,

Japan is facing its most severe security environment since World War II as three potential adversaries in East Asia – China, Russia and North Korea – ramp up military activities in the region, the country’s defense minister said Tuesday.