U.S. Secretary of State Antony Blinken confirmed on Sunday that Washington is discussing with Warsaw a proposal that would allow Ukraine to obtain warplanes from Poland to defend its skies from Russian assault. Under the proposed three-way deal, Poland would provide Ukraine with its aging Mikoyan MiG-29 fighter jets and in return, have its hangars refilled by the United States with American-made F-16s. The Polish Air Force, which has been retiring MiG-29s and purchasing F-16s since early 2000s in an effort to modernize its arsenal and reduce its reliance on Russian equipment, currently operates both types of aircraft. “We are looking actively now at the question of airplanes that Poland may provide to Ukraine and looking at how we might be able to backfill should Poland decided to use those—to supply those planes,” said Blinken during a press conference with Moldovan President Maia Sandu. “I can’t speak to a timeline, …