WARSAW, Poland, and WASHINGTON — Slovak Prime Minister Eduard Heger has announced his country will deliver 13 out-of-commission Mikoyan MiG-29 fighter jets to Ukraine as part of Bratislava’s support to the nation’s struggle against the Russian invasion. In return for the donated gear, Naď said earlier this week the country hopes to receive about €200 million ($213 million) from the European Union’s European Peace Facility, and some $700 million worth of weapons and military equipment from the United States. They know how to fly them and they know how to maintain them; they know how to operate them and use them in a battlefield situation,” Kirby said, calling the MiGs “additive to the fighter aircraft capabilities that the Ukrainian Air Force has at their disposal