How thick in inches is the hull of a submarine? Why is a mere depth of 100m so huge in terms of recovery efforts for sunken subs e.g. the Kursk? - Quora
Why do many people think main battle tanks are outdated and that a highly-mobile armored armor-piercing cannon isn't useful in modern conflicts? - Quora
![Water slug being fired from a missile tube of the USS Daniel Boone (SSBN-629) at Mare Island Naval Shipyard, 1964. [1200×976] : r/WarshipPorn Water slug being fired from a missile tube of the USS Daniel Boone (SSBN-629) at Mare Island Naval Shipyard, 1964. [1200×976] : r/WarshipPorn](https://external-preview.redd.it/DnsAShALjCCQEF2kK3Q3HZ_5lRDJXyv0oC207NH9hkM.jpg?auto=webp&s=8d33f8cc31d809010973b6a07ec4e8de2900bd76)