Poland scrambled military aircraft Friday night to protect its airspace during a Russian missile attack that “covered the entire territory of Ukraine,” according to Polish military sources on social media. Poland has been a member of NATO since 1999, and was the first former Warsaw Pact nation to join the alliance. “It was a long, busy night for the entire air defense system in Poland,” the Polish Armed Forces General Command wrote on social media. “Currently, due to the reduced level of threat of missile strikes by Russian aviation on the territory of Ukraine, the operation of Polish and alli…