The Wall Street Journal reports that #Ukraine is facing problems operating F-16 fighter jets According to the newspaper, Ukrainian F-16s are grounded en masse due to maintenance delays. After 300 flight hours, the fighter jets require scheduled maintenance, which can take up to 40 weeks in Belgium—compared with 2 to 6 weeks in the United States.

https://www.wsj.com/opinion/ukraine-f-16-maintenance-delays-russia-sabena-engineering-85ca626a