@geoffroycouteau.bsky.social @geoffroycouteau.bsky.social 
Spinoza.it @spinozait.bsky.social Un blog serissimo.
Oz Katerji @ozkaterji.bsky.social Ukraine correspondent. British-Lebanese conflict journalist & filmmaker. Director of The Battle For Kyiv. Interested in human rights. RTs ≠ endorsement.
https://ko-fi.com/ozkaterji
The Kyiv Independent @kyivindependent.com Independent English-language journalism in Ukraine
Become a member: kyivindependent.com/membership
CIRM - Centre international de rencontres mathématiques @cirm-math.bsky.social CIRM is quite a unique place. At the heart of the Parc des Calanques, it is entirely dedicated to welcome researchers from around the world who meet here.
www.cirm-math.fr
Giuseppe Persiano @giupers.bsky.social Theoretical Computer Scientist and Cryptographer at U. Salerno, Italy. Juventino.
Alexis Cao @alexiscao.bsky.social PhD student at Johns Hopkins
https://alexiscao.github.io
Sean Bowe @seanbowe.com Cryptography researcher, developer of Zcash
Joseph Lorenzo Hall, PhD @josephhall.org Astrophysicist turned advocate; guiding the globe to a safer, stronger Internet. Distinguished Technologist @internetsociety.org, https://josephhall.org/, (former CDT, NYU, Princeton CITP, Berkekey iSchool/Astro)
Boris @bmann.ca Web tinkerer. Pooling capital and collaboration.
What if we made things a little bit better?
Daira-Emma Hopwood @daira.bsky.social Zcash's official load-bearing catgirl. The only good fascist is a dead fascist. How to pronounce my name: 'dɜːɹə 'ɛmə 'hɔ́pwʉd
CBCrypto @cb-crypto.bsky.social CBCrypto - The International Workshop on Code-Based Cryptography
This year in Rome 9-10 May
https://www.cb-crypto.org/home
John Watrous @johnwatrous.bsky.social Quantum computing educator and researcher. I like math, computer games, and dub techno.
Rahmi El Mechri @handle.invalid rielme.ch
James @gravitysra1nbow.bsky.social Uphold Thucydidian-Clausewitzian-Hegelian-Fukuyamist thought.
https://othermeans.substack.com/
"Online Rent-a-Sage" Bret Devereaux @bretdevereaux.bsky.social Ancient & military historian specializing in the Roman economy and military. PhD from UNC History. More impressive credential is that I have beaten both Dark Souls and Elden Ring.
Blogs at acoup.blog
Christopher Miller @christopherjm.ft.com Chief Ukraine correspondent for the Financial Times. 16 years living and reporting in Ukraine. https://www.ft.com/christopher-miller
Author of the book, THE WAR CAME TO US, published by Bloomsbury: https://www.amazon.com/dp/139940685X
Gerry Doyle @mgerrydoyle.bsky.social Bloomberg News Global Defense Editor. Novelist, aviation geek, bartender, dad. Ex-NYT, Reuters. Grew up in Midwest, moved to Mideast. Views my own. Wrote a fun book about Chinese missiles: https://tinyurl.com/2p94pay6
Ad astra per aspera
Jane Lytvynenko @janelytv.bsky.social Reporting on tech and conflict for NBC News.
Previously WSJ, Harvard Shorenstein Center, BuzzFeed News.
Email: jane.lytvynenko@nbcuni.com
Signal: janelytv.74
Currently based in New York.
War Mapper @warmapper.org Mapping conflicts
If you would like to support me: https://buymeacoffee.com/warmapper
Dr. Raymond Kuo | 郭泓均 @kuorum.bsky.social Expert on international order and Asian security. VP of Research, Chicago Council on Global Affairs 🇹🇼🇺🇸
Website: https://www.raymondkuo.com/
Mick Ryan @warinthefuture.bsky.social Strategist, Leader & Author | Retd Army Major General | Senior Fellow in Military Studies @LowyInstitute | @CSIS | Modern & Future war studies | Futura Doctrina substack | #BannedInRussia
Lawrence Freedman @ldfreedman.bsky.social Emeritus Professor of War Studies King's College London. Latest Book Strategists and Strategy: collected essays, 2014-2024. Substack Comment is Freed https://samf.substack.com/
Michael Kofman @michaelkofman.bsky.social Senior Fellow, Carnegie Endowment. Defense analysis with a focus on the Russian and Ukrainian militaries.
Seva @seva.bsky.social book: http://amzn.to/2oRD2yG. substack: https://hegemon.substack.com/
Tatarigami @tatarigami.bsky.social Former UA officer
Founder of the Frontelligence Insight: https://frontelligence.substack.com
To support my work: http://buymeacoffee.com/frontelligence
Sebastian Bae @sebastianbae.bsky.social Senior Game Designer at the Center for Naval Analyses (CNA). Designer of the "Littoral Commander" wargame series. Former US Marine. Opinions own.
B. A. Friedman @bafriedman.bsky.social University of Reading (UK) PhD student studying naval strategy and amphibious warfare. Author of books On Tactics and On Operations. Occasional blogger: https://bafriedman.substack.com/
Samir @obretix.bsky.social geospatial IT – OSINT/IMINT
@kylejglen.bsky.social @kylejglen.bsky.social 
Dara Massicot @massdara.bsky.social Senior Fellow, Carnegie Endowment for International Peace, Russia and Eurasia Program. I cover military issues in Russia and Eurasia. 
Michael Cruickshank @cruickshank.bsky.social Geospatial analyst, OSINT investigator, and journalist. Investigating the intersection of climate resilience and human systems, and sometimes writing fiction. From 🇦🇺, now in 🇪🇺.
📍Berlin, Germany
https://www.michaelcruickshank.me/
Zach @thrustwr.bsky.social Former NavalNews & USNINews writer, Track Fuser, R-1/P-1 Budget Reader.
For defense-related stuff
Site: https://defensearchives.com/news
Aaron Y. Zelin @azelin.bsky.social Senior Fellow @ Washington Institute for Near East Policy | Visiting Research Scholar in Dept of Politics @ Brandeis | Founder of Jihadology | Author of “The Age of Political Jihadism: A Study of Hayat Tahrir al-Sham”
jihadology.net
jihadologyplus.com
Brady Africk @bradyafr.bsky.social Data, maps, and satellite imagery 🛰🌻🔭
viewsfromabove.bradyafrick.com
Charlie Thomas @cthomasjamh.bsky.social Professor, African Military Historian, Co-Editor of the Journal of African Military History. Opinions expressed are solely mine. My book, Ujamaa’s Army, is available now!! https://www.ohioswallow.com/9780821425596/ujamaas-army
Paweł Wójcik 🦋🇵🇱🇪🇺 @saladinaldronni.bsky.social Researcher.
Polish voice on terror, conflicts, crime networks, Islamic State, al-Qaeda.
Now, also following Islamic State's plans in Africa. Politics in the Sahel.
Writing for hire. DM.
@saladinaldronni on X/Twitter
https://ko-fi.com/saladinaldronni
David B Larter @davidblarter.bsky.social Navy vet. Tweets on Navy, space, watches, scotch, history & other random unserious musings. All opinions mine, not employer's. Formerly Defense News, Navy Times
brasidas @brasidas.bsky.social Not Laconic
Minor Spear Carrier @tyrellmayfield.bsky.social || Pathfinding in a Brave New World || Former Minor Spear Carrier || Redefining the Modern Military || Writing a Kabul Memoir || Loyal Servant of the Republic || No Official Statements || BoD at @thestrategybridge.sky.social ||
Havoc @havocsix.bsky.social Army Engineer Vet & militant sarcasm enthusiast | Defense, foreign policy, & absurdism | Host Trip Wired: http://linktr.ee/tripwired1 | Historia magistra vitae | Opinions = mine alone |
Wesley Morgan @wesleymorgan.bsky.social Writing about America’s post-9/11 wars
https://linktr.ee/wesleysmorgan
Author of THE HARDEST PLACE (2021)
https://www.penguinrandomhouse.com/books/227894/the-hardest-place-by-wesley-morgan/
Signal: https://tinyurl.com/kzmejtaw
Ankit Panda @nktpnd.bsky.social Stanton Senior Fellow, Carnegie Endowment for International Peace; Author of ‘THE NEW NUCLEAR AGE’ (Polity) & ‘KIM JONG UN AND THE BOMB’ (Hurst/Oxford)
Subscribe to my newsletter (Nukesletter): https://panda.substack.com/
Phil Klay @philklay.bsky.social Author of Redeployment, Missionaries, and Uncertain Ground: Citizenship in an Age of Endless, Invisible War. Teaches at Fairfield University MFA.
Tony Stark @tonystark.bsky.social Author of the novel, EX SUPRA. Buy it here: https://www.amazon.com/Ex-Supra-Tony-Stark/dp/B0B6L9TD6J/ref=nodl_?dplnkId=f9e567ed-9cbb-4a51-9ebe-37646193cff5
Sequel: Duality, coming soon.
Substack: Breaking Beijing.
Podcast: WarTalk (ChinaTalk)
Mike Black @mikeblack114.bsky.social Are you shittin me?!?!! No, but you'll print that and I'll probably be investigated
Posts mine, but if you see something you think you can use to get me in trouble I did it on my own time and my own device, so good luck
Battle Order @battleorder.org ⚔️ Posting military unit graphics, fictional art, and quirky vehicles. #ORBATBoys
https://www.youtube.com/@battleorder
https://www.battleorder.org/
Dr. Jonathan Schroden @jjschroden.bsky.social 23 years as a military ops analyst. Lots on DOD, especially special ops & irregular warfare. Author of a forthcoming book on the history of US CT in Afghanistan (https://a.co/d/00ChSA82). All views my own, RT not endorsement. Be droll, not a troll.
Fubar 🇨🇦 @captainfubar.bsky.social Mil-Poster, Black 'n Arab, Unapologetic NATO Shill, Progressive. Proud Canadian; Patch Guy 🇦🇬🇱🇧
Doha @doha104p3.bsky.social Mil-Av, Maritime, Missile, Space, Defense, and some politics related posts | F-35 appreciator | Agile Combat Employment Supremacist | (Not very active here)
Strategic Trends @strategictrends.bsky.social US foreign policy and national security interests in the Indo-Pacific | Maritime minded | | Learning every day | Views my own. | Always humble
Zach Ota @zachota.bsky.social Personal Perspectives • Beholding the Pacific • Krulak Center • YCAPS • Allies & Partners • Amphibious Defense • Aloha
Secretary of Defense Rock @sodrock.bsky.social The defense policy views of the people's champ. AKA Great One, Flex Kavana, and Brahma Bull. Might be Dwayne Johnson, could be Harold Brown. Views my own. Substack⬇️
https://secretaryrofdefenserock.substack.com/
Paul M Kearney @strategerist.bsky.social US Army Goodpaster Scholar, Wargamer, & Paratrooper | USMA ‘09, KCL War Studies ‘15, G’town SSP ‘20 | PhD Candidate @ Duke PoliSci | Personal Acct per DoDI 5400.17
John Arterbury @johnarterbury.bsky.social Hotline Damascus 
Matt Eminem @legalleadtheway.bsky.social | Law of War | LOAC | Int’l Humanitarian Law |
The steel of freedom does not stain.
Personal opinions, no employer endorsement, nothing here is legal advice.
RLTW!
Olivia Garard @teaandtactics.bsky.social 
Vodka 🧊 @vodkanon.bsky.social Disavowed Task Force 141 Operator | Disinformation Enthusiast | Anonymous Defence Source | Part-time Marlboro Lobbyist
Ian TB @iantb.bsky.social Retired #Marine, scribbler, #wargame analyst, podcast co-host, geek. Author of “A New Conception of War” on #USMC reading list. All views my own.
@thinkingbayonet.bsky.social @thinkingbayonet.bsky.social Not an official account of anything or anyone other than a guy who never learned when to shut his mouth.
You'll Never Walk Alone.
Jeff Meiser @jwmeiser.bsky.social Former war college professor NDU now UPortland. Posts on politics, IR, strategy, hip hop. Book: Power and Restraint. My views rep only me.
Dead Carl @deadcarl.bsky.social www.deadcarl.com
Writer on Clausewitz, international relations, and German history. Words in American Purpose and Liberal Currents.
Kiran Pfitzner
Dark Laughter @darklaughtertdb.bsky.social OIF/OEF vet and Duffel Blog writer. DarkLaughterTDB (at) gmail (dot) com #satire #natsec
AirPower (MIL-STD) @mil-std.bsky.social Old radar types never die; they just phased array!
Aerospace, Defense and NatSec related content
#OpenSource. No affiliations to govt., media or industry
Pieter Van Ostaeyen @p-vanostaeyen.bsky.social Historian & Arabist
Independent analyst on Jihadism, History, Arabic & Islamic Studies
Publications available via https://orcid.org/0000-0002-6691-1988
Søren Sjøgren @sorensjogren.bsky.social Military officer | PhD | Institute head of R&D at the Royal Danish Defence College | Editor @sjms.bsky.social | Doctrine, planning, and command.
Whatismoo @whatismoo.bsky.social Transatlantic Doctoral Student covering the Cold War to the present.
Logo adapted from that of the Soviet Army Studies Office
Brian Kerg @briankerg.bsky.social Atlantic Council Fellow | Military Writers Guild Board Member | Marine Corps Strategist Fellow at Notre Dame | CIMSEC Managing Editor | Personal Account
Confused CPT @josh97.bsky.social Combined Arms, History, Star Wars, and INDOPACOM
Travis Reese (Against war with NATO) @ctreese2.bsky.social Small town kid. Joined the military. Stuck w/ it for 21 yrs. Stayed in defense. Planner & strategist. Inventor of the coffee egg cream & mocha coffee egg cream
Craig Whiteside @craigwhiteside.bsky.social teach for the Naval War College resident program at NPS in Monterey, CA; The ISIS Reader (Hurst 2020) and Non-state Special Operations (Routledge, 2025); dad, scout, sports fan, and Geronimo https://theisisreader.substack.com/
John Helin @jjhelin.bsky.social Journalist, Fact checker @ http://HS.fi
Ukraine War Analysis with Black Bird Group
Political History at the University of Helsinki
📞 +358413106215
✉️ John@blackbirdgroup.fi
Giancarlo Fiorella @giancarlofiorella.bsky.social Director of Research and Training | Bellingcat
Assistant Professor | Utrecht University
PhD, Criminology & Sociolegal Studies | University of Toronto
www.giancarlofiorella.com
Opinions my own
Christiaan Triebert @trbrtc.bsky.social Visual Investigations reporter at The New York Times. Previously with Bellingcat and Airwars. Retired hitchhiker.
Mark Stout @markstout.bsky.social Former intelligence officer and university educator, current intelligence historian. Also live on the borderlands of military history. Former Historian at the International Spy Museum. I wish I were in Seattle. The cat is Boadicea. Not flying with Natalie.
MarQs__ @marqs.bsky.social 
Blake Herzinger @bdherzinger.bsky.social I like big navies and I cannot lie. Navy Reservist | CIMSEC | Asian Security | ex-Citi, AEI, USSC, Twitter, Pacific Forum, US Pacific Fleet | Proud Idahoan | Opinions mine, but you're welcome to adopt them
John Ridge 🇺🇸🇺🇦🇹🇼 @johnridge.bsky.social Physics | Weapons Systems | National Security | Foreign Policy | Arms Exports | Security Assistance | Tochnyi Contributor | Donate to Liberty Ukraine Foundation
jeff2146 @jeff2146.bsky.social Writer for Defense Archive, volunteer with GeoConfirmed and contributor to Militaryland.net.
Useful links https://linktr.ee/jeff2146
Hugo Kaaman @hugokaaman.bsky.social Researcher & analyst. Focus on SVBIED design & tactics by non-state actors. Articles @MiddleEastInst @JanesINTEL @EuroEyeRad. IR grad, MENA studies
Mike Nelson @mikenelson586.bsky.social Citizen. Legionnaire.
2 x Time person of the year (2003/2006)
2 x Iranian designated terrorist (2019/2020).
ASR Recipient.
Brad Duplessis @bradduplessis.bsky.social It doesn’t matter.
Thomas van Linge @thomasvlinge.bsky.social Freelance journalist/researcher with a passion for the struggle for democracy, human rights & wildlife preservation. Reporting on wars, uprisings & conservation
Casus Belli | 🔱⚒️🌅 @doctoradmiral.bsky.social Ukrainian from Donetsk.
Educational content on the early history of the Russian invasion
Twitter (Main): https://x.com/doctoradmiral
Substack: https://donbasposting.substack.com/
YT: https://www.youtube.com/@CasusBelli2014
PayPal: lapa8578@gmail.com
Kori Schake @kschake.bsky.social Leads AEI’s foreign and defense team, author of The State and the Soldier, contributing writer at The Atlantic. 2025-2026 Kissinger Chair at the Library of Congress. Californian. https://www.aei.org/profile/kori-schake/
Nick Waters @nickwaters.bsky.social Award winning journalist, still interested in using open source information for accountability.
Tristan Lee @tristanl.ee Journalist @decoherence.media using open sources to expose far-right networks
Other bylines @bellingcat.com @texasobserver.org
Brian Finucane @bcfinucane.bsky.social Senior Adviser, US Program, International Crisis Group. Editor at Just Security. Non-Resident Senior Fellow at Reiss Center on Law and Security at NYU Law. Ex State Dept Lawyer. War Powers| Use of Force| Counterterrorism| Law of War| War Crimes| Arms Sales
Nathan Ruser @nrg8000.bsky.social @Nrg8000 on twitter. Will fill this out when twitter inevitably burns.
Jason "Red5" Lyall @jaylyall.bsky.social Prof @Dartmouth. Director, FieldLab. Carnegie Fellow. Inequality and military effectiveness, war, humanitarian aid, USAID, sci fi. Author, DIVIDED ARMIES (2020, http://amzn.to/2Y80f25). 🇨🇦 #FirstGen #VermontZen
Website: www.jasonlyall.com
Rush Doshi @rushdoshi.bsky.social Assistant Professor at Georgetown • Director of the CFR China Strategy Initiative • Biden NSC China 2021-2024 • Author of The Long Game
Joanne Stocker @joannestocker.bsky.social Producer, CBS News Confirmed. Philadelphian/Londoner by way of Northern Ireland. I like to poke at things that don’t make sense. Big fan of big boats.
Jack Murphy @jackmurphyrgr.bsky.social National security journalist: https://thehighside.substack.com
Host on @theteamhouse.bsky.social
Military Thriller, The Most Dangerous Man: https://www.penguinrandomhouse.com/books/803651/the-most-dangerous-man-by-jack-murphy/9798892424509/
John Culver @johnculver689.bsky.social Fmr National Intelligence Officer for East Asia, retired CIA analyst. Views solely my own. Likes/reposts are not an endorsement.
Joe Stieb @joestieb.bsky.social Asst Prof. of US History at UNC Chapel Hill.
Basketball, running, cats. Go celtics go heels.
Political liberal, hoop reactionary.
Posting goodreads reviews regularly.
Elena Wicker @elenawicker.bsky.social Military jargon, terminology, dictionaries, and documents. Georgetown PhD. Buzzword enthusiast.
Dr. Alexander S. Burns @kabinettskriege.bsky.social Historian of the eighteenth-century Atlantic World, American Continental Army, and Military Europe. PhD WVU.
Caleb Weiss @calebweiss.bsky.social Defections Program Lead for Uganda at Bridgeway Foundation. Kampala-based. Editor @LongWarJournal. Focused on jihadism and political violence in Africa.
David Alman @davidalman.bsky.social Airman + consultant + aero engineer interested in national strategy, domestic policy, environmentalism, good food, and all things aviation. Views = mine alone and not representative of anyone I work for. #airpower