- Ukraine has stepped up its campaign of drone attacks on targets inside Russia, including in Moscow.
- In response, Russia appears to be copying WWII-style "flak towers" to augment its air defenses.
- Both sides have embraced many decades-old weapons and tactics during the war in Ukraine.
Desperate to stop Ukrainian drone strikes on Moscow and other targets inside Russia, Russian air-defense forces are resurrecting a World War II-era system: towers with guns.