THE EBB AND FLOW OF WAR: The front lines in Ukraine haven’t moved much in recent weeks, but the momentum remains with Ukrainian forces who have successfully targeted Russian troop concentrations, forcing their commanders to scramble to reassess tactics.

The British Defense Ministry reported that after Ukrainian drones hit the Engels air base inside Russia last month and damaged some aircraft, the Russian air force has been forced to move its Tu-95 Bear heavy bombers and Tu-22 Backfire medium bombers to a base in the far east more than 3,700 miles from Ukraine.