National security policy newsletters

NewsletterFIT tracks 3 newsletters that cover National security policy as a primary topic, 2 of them with posts in the last 90 days. By publicly shown subscriber count, the largest are Programmable Mutter (30K) and Gray Matters (2K).

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Programmable Mutter30K subscribers

    SubstackWeekly · last post 28 days ago

    Likely audience: Tech policy analysts

  2. 2
    Gray Matters2K subscribers

    SubstackEvery two weeks · last post 24 days ago

    Likely audience: Defense industry professionals

  3. 3

    Substacklast post Oct 26, 2025

    Likely audience: political observers

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