Indicates a compressed file size, common for standard-definition (SD) pirated versions distributed on file-sharing sites.
It is a respectful and moving tribute to a national hero. It avoids the usual jingoism of war films and instead focuses on the human cost of war. Highly recommended for those who enjoy patriotic dramas.
If you have legitimate ownership of the DVD or digital purchase and want to compress it yourself to 400MB for offline use on a low-storage phone, here is the ethical and safe method: