Presumably, hard: https://aws.amazon.com/blogs/apn/automated-refactoring-of-a-u-s-department-of-defense-mainframe-to-aws/ https://aws.amazon.com/blogs/apn/auto

Presumably, hard: https://aws.amazon.com/blogs/apn/automated-refactoring-of-a-u-s-department-of-defense-mainframe-to-aws/ https://aws.amazon.com/blogs/apn/automated-refactoring-of-a-...