Ukraine still struggles with manpower. Russia grinds forward relentlessly. The battlefield is saturated with drones and agile motorcycle units. Here’s a look at where things stand more than 40 months into the largest land war in Europe since World War II.

North Korea is set to treble the number of its troops fighting for Russia along the front lines with Ukraine, sending an additional 25,000 to 30,000 soldiers to assist Moscow, according to an intelligence assessment from Ukrainian officials.