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The Duffel Brief · the free edition, Monday, Wednesday and Friday

Vol. 15 · No. 121 · Saturday, 10 October 2026

Pentagon

Hegseth opens up new TradWife MOS

Army says new career field will allow warfighters to focus on lethality while someone else remembers the kids

DTS works properly after hack by rogue AI

Lincoln sailor returning from deployment already broke

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Vol. 15 · No. 121

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Duffel Blog

Established 2012 · Deployed worldwide

Vol. 15 · No. 121 · Deployed worldwide

Saturday

10 October 2026

2223 Zulu

Next edition Monday

← Front page
Navy & Marines · Page 5

A shortlist of things US Navy submarines have never collided with, but might one day

They are probably using Apple Maps.

Filed · 0500

NAVAL SUBMARINE BASE NEW LONDON, Conn. – U.S. Navy submarines excel at destroying stuff, including things that aren’t enemies. In the past dozen years, Navy subs have banged head-on into such non-belligerents as a fishing trawler, Aegis cruiser, amphibious transport dock, a tanker, and two undersea mountains that had not moved in millions of years.

After each accident, the Navy has vowed to improve navigation skills. While that multi-year program develops, here are some things and places that might suffer a loud meeting with the “Silent Service:”

1. Another U.S. submarine: The surface force is all over smashing into their own, and foreign subs have already done this. They can’t own all the headlines.

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