3 ways Ukraine's outgunned air force has kept Russia from controlling Ukraine's skies

A month into Russia's invasion, "one of the biggest surprises of the war in Ukraine is Russia's failure to defeat the Ukrainian Air Force," The New York Times reports. "Military analysts had expected Russian forces to quickly destroy or paralyze Ukraine's air defenses and military aircraft, yet neither has happened." Russia invaded Ukraine "with an arsenal of advanced fighter planes, bombers, and guided missiles, but significant combat losses in more than three weeks of fighting raise questions ...