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THE VIDEO SHELF · nuclear weapons safety

Always/Never: The Quest for Safety, Control, and Survivability - Part 1

Part one of Sandia National Labs' first-person documentary on the use control, detonation safety and survivability of US nuclear weapons. It covers nuclear sharing in NATO and how control of use was separated from possession, leading to the always/never problem.

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Why HN readers recommended it

Strongly recommended in nuclear-accident and weapons-history threads as an excellent documentary on how nuclear weapons were made safe and secure.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Sandia National Labs
Topic
nuclear weapons safety
Format
documentary
Level
general
HN recommenders in dataset
2
HN mentions in dataset
3
Recommendation years in dataset
2021–2026

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • For any engineer interested in nuclear weapons, I highly recommend this three-part series produced by Sandia National Laboratory on their development of Permissive Action Link, the warhead’s electrical isolation and cryptological module that ensures US nuclear weapons will detonate if any only if authorized by …

    crmd on Hacker News · 2024-12
    In The Albuquerque "Broken Arrow" Nuclear Accident

  • There is an excellent three part documentary from Sandia National Labs: "Always/Never: The Quest for Safety, Control, and Survivability." (part 1) [VIDEO] They cover both the technology itself and its history, including the incidents you are reading about. These people are the ones who developed …

    generuso on Hacker News · 2026-05
    In Lost Images from the 1945 Trinity Nuclear Test Restored

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

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