US navy says it picked up ‘anomaly’ hours after sub began mission – as it happened
www.theguardian.com
Anomaly ‘consistent with an implosion’ was detected near where craft was operating when it lost communications
  • ATGM 🚀@beehaw.orgEnglish
    1·
    1 year ago

    The hull needs to have high pressure internally, which adds to the strength of a vehicle like this.