Navy Starts Work on “Breakthrough” New Attack Submarine for 2030s The Navy has begun work on a new generation of attack submarines with never-before-seen weapons, quieting technology Kris Osborn · May 18, 2019 Please leave this field emptyStay Updated with Warrior Maven Subscribe for daily military news and updates delivered straight to your inbox. We don’t spam! Read our privacy policy for more info. Check your inbox or spam folder to confirm your subscription.