On May 8, 2025, Russia issued a NOTAM for the Rostov FIR (URRV), closing airspace over Kapustin Yar from May 12, 06:00 UTC, to May 13, 04:00 UTC (SFC-UNL). The 110×70 km area suggests possible missile tests, potentially involving ICBMs. Stay vigilant—such NOTAMs often precede launches.