A Ukrainian drone unit struck the Russian Academy of Rocket and Artillery Sciences' pilot training school, killing at least 65 soldiers according to the Ukrainian Unmanned Systems Forces.

Russian forces claimed advances east of Dobropillia and near Orekhovo, while Ukraine's Unmanned Systems Forces destroyed over 3,500 Russian drones in May and struck the Russian corvette Boiky in Kronshtadt, causing significant damage. A Ukrainian drone attack on Simferopol killed three civilians and wounded seven; May recorded 377 civilian deaths and 2,783+ wounded—the deadliest month for civilians in 16 months.