(FILES) This file photo taken on October 12, 2022 shows two MiG 29 fighter jets taking part in the NATO Air Shielding exercise near the air base in Lask, central Poland. - Slovakia on March 23, 2023 said it had transferred the first four of the MiG-29 fighter jets it had promised Ukraine, with nine others to follow in the coming weeks. (Photo by RADOSLAW JOZWIAK / AFP)