NOVO SELO, BULGARIA-MAY 29: Fighter jet take part in the ‘Defense Shield 23’ multinational battle group military exercises in Novo Selo, Bulgaria on May 29, 2023. ‘Defense Shield 23’ is part of a multinational large-scale exercise Defender ‘Europe 23’. Military exercise includes, a mechanized battalion, a tank platoon, a self-propelled artillery battery and formations for nuclear, chemical and biological defense. Both the Bulgarian Ground Forces and the US Ground Forces, and Italian formation from a NATO national battle group take part in Bulgaria. Borislav Troshev / Anadolu Agency/ABACAPRESS.COM