It looks like Ukraine may have had a good hit on Russian Naval Aviation airfield in occupied Saky, Crimea, Ukraine.
The attack opened with the launching of multiple UAVs to overwhelm Russian air defenses followed by the launching of Neptune anti-ship cruise missiles that were converted for use against land targets. There are reports that multiple targets were hit causing serious damage to "equipment." Russian sources also confirmed "serious losses" during the attack including at least 30 KIA's.