Ukrainian military attacked the Ryazan oil refinery with drones. Meanwhile, the Air Force announced new terms for F-16 fighter jet deliveries to Ukraine. Read more about what happened on Wednesday, May 1. Defense Intelligence of Ukraine launches drone attack on Ryazan oil refinery, sources say As a result of an operation by the Defense Intelligence of Ukraine on the night of May 1, the Ryazan oil refinery was hit by drones in Russia, according to RBC-UKraine sources in the special services. First F-16s may arrive in Ukraine after Easter – Air Force The first F-16 fighter jets could arrive in U…