Polish airspace, including Warsaw's Modlin and Chopin airports, has seen its closures lifted by approximately 00:50 UTC on September 10th, 2025, following a period of "unplanned military activity related to ensuring state security." NOTAMs indicated continued overflights, but these have shifted further west than previous activity. Earlier, at 03:43 UTC, all Russian strategic aviation boards were reported to be at base aerodromes, with specific landings noted at Engels-2 and Olenia. The shift in drone activity was detailed by flightradar24.com, which noted overflights continuing through Poland but further west. This development comes as Ukrainian Air Force channels reported threats to Lviv, Kyiv, and Zhytomyr from UAVs. Representative Joe Wilson also stated that Ukraine's drones have been observed near Gelendzhik in Russia's Krasnodar region, the location of President Putin's palace. Earlier in the reporting window, from 00:00 UTC to 00:15 UTC on September 10th, Polish fighter jets were heard over Lublin, Eastern Poland, as previously reported. The Polish Operational Command had previously confirmed that ground-based air defense and radar reconnaissance systems are at peak readiness. The Polish border with Belarus remains closed due to ongoing Russian-led military exercises, "Zapad-2025."