This series was pretty perfect. The character development was deep but neither melodramatic nor overextended. Every scene feels like the dialogue means something. The contraposition of military and philosophical warfare concepts was very well-done. Also, the way they imagined mechs is both realistic and imaginative at the same time. If you're looking for an anime which really delves into a nuanced understanding of military, politics, character, and technology, FLAG is right up your alley. I feel like this is an underwatched and underrated gem of anime, and will recommend it highly to anyone who likes anime of any kind,really.