Defense Policy newsletters

NewsletterFIT tracks 5 newsletters that cover Defense Policy as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Defense Tech and Acquisition (17K), The Real Politick with Mark Sleboda (8K) and Wesley Wark’s National Security and Intelligence Newsletter (4K). Brands detected sponsoring these newsletters recently include OUSW.

Updated Oct 29, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Defense Tech and Acquisition 17K subscribers

    Substack Weekly · last post 14 days ago

    Likely audience: Policy makers

    Sponsors detected: OUSW

  2. 2
    The Real Politick with Mark Sleboda 8K subscribers

    Substack Weekly · last post 21 days ago

    Likely audience: Geopolitics enthusiasts

  3. 3
    Wesley Wark’s National Security and Intelligence Newsletter 4K subscribers

    Substack Every two weeks · last post 9 days ago

    Likely audience: National security analysts

  4. 4
    Responsible Statecraft —

    mailchimp Weekly · last post 16 days ago

    Likely audience: International relations scholars

  5. 5
    Early Bird Brief —

    LinkedIn Every two weeks · last post 17 days ago

    Likely audience: defense analysts

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