The US Navy SEALs now have a special place on their submarines to conduct undersea operations without making a sound. In 2017, Daniel Brown from Business Insider wrote a report on the USS John Warner, a Virginia-class attack submarine, in which he mentioned a ‘Lockout trunk’. Developed By Australia & Popularized By The UK, US … Continue reading US Navy SEALs Seal A Dedicated Submarine Slot; Can Now Conduct Underwater Ops In ‘Stealth Mode’ — WATCH