Armed Forces: 18,000 Russian soldiers killed since Feb. 24.

According to Ukraine's Armed Forces, Russia had lost 644 tanks, 1,830 armored fighting vehicles, 325 artillery pieces, 105 multiple rocket launchers, 54 air-to-surface missiles, 143 planes, 134 helicopters, 7 ships, 89 drones, and 4 tactical ballistic missile systems.