Ukraine reported the first crash of an F-16 fighter jet during combat operations, resulting in the death of pilot Oleksiy Mes, known by the call sign 'Moonfish'. The jet went down while repelling a significant Russian missile and drone attack, which involved over 200 strikes targeting key energy infrastructure. Although the F-16s demonstrated high efficiency by downing four Russian cruise missiles during the operation, the cause of the crash is still under investigation, with U.S. officials indicating it was not due to enemy fire. Ukraine has received a limited number of F-16s, with reports suggesting they currently operate six out of a promise of at least 79 from various allies. This incident raises concerns about the effectiveness of the F-16s in altering the course of the conflict, given the existing superiority of Russian forces. The loss of the aircraft also underscores the challenges Ukraine faces in integrating advanced Western technology into its military operations.