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
Andrej Matisak @matisaksk.bsky.social #StandwithUkraine. Journalist, deputy head of foreign desk, Slovak daily @pravdask.bsky.social. The usual caveats apply. 🎙 #TheGlobalAgora #podcast https://ko-fi.com/amatisak
Michael Duitsman @duitsmanms.bsky.social Fellow at the Foreign Policy Research Institute. Rocket propulsion and radiological security (usually not at the same time). Opinions my own. Faves/RTs ≠ endorsements
Ariane Tabatabai @atabatabai.bsky.social Vice President of Research for Security & Defense at Chicago Council on Global Affairs • Contributing Editor at Lawfare • Ex Pentagon & State Department • Author of No Conquest, No Defeat (Oxford University Press) & co-author of Triple Axis (Bloomsbury)
Molly Campbell @mollykcam.bsky.social Defense @ CNAS | Stanford '22 | Californian in exile
Patrick Cronin @patrickmcronin.bsky.social Asia-Pacific Security Chair, Hudson Institute &
Scholar in Residence, Carnegie Mellon University
Hannah Dennis @hddennis.bsky.social 
Kingston Reif @kingstonareif.bsky.social Senior International/Defense researcher at the RAND Corporation. Former DASD for Threat Reduction and Arms Control + Arms Control Association. Wisconsin sports fanatic. Personal account.
Paul Avey @paulcavey.bsky.social Associate professor of political science at Virginia Tech. IR, foreign policy, nuclear politics. Views are my own & reposts ≠ endorsements. 
Jacob Helm @jhelm.bsky.social 
Phil Sheers @philipsheers.bsky.social Research Assistant, Defense Program, Center for a New American Security
Nivedita @nnb2d.bsky.social Interested in cooking, reading fiction, learning about and discussing politics and political philosophy. Love animals.
Pranay Vaddi @pranayrvaddi.bsky.social pers acct. fmr NSC46, State Dept. nukes, nonpro, arms control. Husband + suburban dad. All tweets/rt are my views alone.
https://strategicsimplicity.substack.com/
Oliver Morton, Eater of Sun @eaterofsun.bsky.social Author, Editor @ The Economist, Chair @ The Degrees Initiative. Climate change, planetarity, critical zones, tv, burdens of life, etc. Reposts are not endorsements
Warren Bass @warrenbass.bsky.social Deeply skeptical about social media.
Lucas Guttenberg @lucasguttenberg.bsky.social Director 🇪🇺, Bertelsmann Stiftung, Berlin
Ex-BMWK, Jacques Delors Centre, ECB
Jeremiah Gertler ✈️ @jeremiah.gertler.com 41-yr natsec analyst w/an aerial bent. The guy who predicted that thing. Now at AeroDynamic Advisory, Teal Group, DefenseConcepts.Org, & DefAeroReport; CSIS graybeard. FRAeS. Ex-CRS, HASC, OSD, RAND. CAVU. #FlyJanet
Fiona Cunningham @fiona-cunningham.bsky.social Assistant Professor of Political Science at the University of Pennsylvania. Author of “Under the Nuclear Shadow” (Princeton, 2025). China, nukes, cyber, space, international security. She/her. Personal website: www.fionascunningham.com
Dr. Heather Williams @heatherwilly.bsky.social Director, Project on Nuclear Issues (PONI) and Sr Fellow, Defense and Security Department at CSIS
Associate Fellow, Project on Managing the Atom at Harvard Kennedy School
New Yorker by birth, Bostonian by choice
Frank Kuhn @frankkuhn.bsky.social Doctoral Researcher @PRIF.org // Nuclear Deterrence and Arms Control // Cold War History // Military Technology, Operations and Strategy // Opinions my own
James Crabtree @jamescrabtree.bsky.social Analyst & writer. Billionaire Raj author. ecfr fellow. foreign policy columnist. Ex: IISS, FT, LKY School, UK Govt. LSE / Harvard. 
Natan Sachs @natansachs.bsky.social Senior Fellow
Middle East Institute
Views my own.
https://linktr.ee/natansachs
Chris Gordon @bychrisgordon.bsky.social Pentagon Editor/National Security Correspondent, Air & Space Forces Magazine AirandSpaceForces.com | Board, Military Reporters & Editors | Member, CFR | “Subject Matter Expert.” [Redacted] F-16D flight hours. | CGordon@afa.org/Signal chrisgordon.24
CSIS Europe, Russia, and Eurasia Program @erep.csis.org The CSIS Europe, Russia, and Eurasia Program produces forward-looking analyses on transatlantic relations & political developments across Europe, Russia, & Eurasia.
CSIS Project on Nuclear Issues @poni.csis.org @csis.org’s Project on Nuclear Issues (PONI) hopes to sustain a community of next generation nuclear experts & generate new ideas & debate on nuclear issues. Repost ≠ Endorsement
ChinaPower @chinapower.csis.org Unpacking the complexity of China’s rise through objective analysis and data visualization. Follows and reposts ≠ endorsements. https://chinapower.csis.org/
Steve Inskeep @steveinskeep.bsky.social 
Emily Feng @emilyzfeng.bsky.social NPR White House correspondent. 10 years in China and Taiwan. Author of Let Only Red Flowers Bloom (Crown 2025) and forthcoming book on Syria (CGR 2026) https://globalreports.columbia.edu/books/our-hearts-burned-for-home
Siobhán O’Grady @siobhanogrady.bsky.social Ukraine bureau chief @washingtonpost. It’s pronounced Sha-VON.
Brian Hart @brianthart.bsky.social 贺博然 | Deputy Director and Fellow, @csis.org @chinapower.csis.org | Working at the intersection of China, security, foreign policy, and tech
https://www.csis.org/people/brian-hart
John Koehn @johnkoehn.bsky.social 
Brian O'Rourke @briandefnerd.bsky.social Senior Editor @USNIProceedings, fmr Managing Editor, The War Zone. Mechanical engineer and food nerd. Task & Purpose alum. (Slightly) less awkward in person. Former civilian control of the military at Duffel Blog. (Mging editor). Opinions aren't even mine.
Task & Purpose @taskandpurpose.com News, culture, and analysis by and for the military community. Got a tip or story? Send it here →
taskandpurpose.com/got-a-tip
Out In National Security @outinnationalsecurity.org A non-profit, non-partisan organization dedicated to empowering queer national security professionals.
Apply TODAY for our Leadership Development Fellowship for young professionals: https://shorturl.at/F12TP Deadline: May 29
OutInNationalSecurity.org
Dr Matthew Hefler @matthefler.bsky.social Historian. International History and Intelligence Studies. AJI Postdoctoral Fellow. Former Press Secretary to the Premier of Nova Scotia.
Valerie Insinna @valerieinsinna.bsky.social Covering Congress and the defense industry for breakingdefense.com, but also destroying your feed with cat photos, aviation memes and ramblings about fandoms you couldn't care less about
Emil Kastehelmi @emilkastehelmi.bsky.social Military analyst, military history expert. Co-founder of Black Bird Group. Focusing on Ukraine, Russia and northern Europe.
Contact:
+358 407388158
emil.kastehelmi@gmail.com
🪖MilitaryNewsUA🇺🇦 @militarynewsua.bsky.social 🇺🇦Ukrainian blogger.. 🪖Military analytics and weapons.Geopolitics.. Monitoring of global conflict zones ||🇺🇦~🇷🇺||🇮🇱~🇮🇷||🇹🇼~🇨🇳||🇵🇰~🇮🇳||Ukraine will win
Carnegie Endowment @carnegieendowment.org The Global Think Tank.
carnegieendowment.org
Lawfare @lawfaremedia.org Straight-shooting information and analysis at the intersection of national security, law, and policy.
Support Lawfare at https://www.lawfaremedia.org/support
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
Mason Clark @mclark.bsky.social National Security Fellow researching the Russian military at the Institute for the Study of War
Karolina Hird @karolinahird.bsky.social Currently studying war @thestudyofwar.bsky.social. Focusing on Russia’s occupation of Ukraine and all things human rights in TOT. Opinions mine, although I’m “not an expert or analyst” according to the Kremlin, so be warned!! 
George Barros @georgewbarros.bsky.social Russia Team & GEOINT Team Lead at the Institute for the Study of War. I study war, 🇺🇦, 🇷🇺, & 🇧🇾. Maker of maps and fan of GIS. Led grassroots effort to provide Ukraine Javelins in 2014. W&M alum.
https://understandingwar.org/press-media/staff-bios/g
max seddon @maxseddon.bsky.social moscow bureau chief @financial times. in soviet russia, news reports you: max.seddon@ft.com
CSIS | Center for Strategic & International Studies @csis.org A bipartisan research institution, CSIS is recognized as the top defense and national security think tank in the world.
https://www.csis.org 
ELINT News @elintnews.bsky.social Independent in-depth coverage & analysis of current geopolitical & geostrategic developments. Proxies & weapons. RT/like/follow/media use≠endorsement.
Black Bird Group @blackbirdgroup.bsky.social @Black_BirdGroup
Finnish OSINT group. Currently following the Russian invasion of Ukraine.
Don't DM, Email us:
contact@blackbirdgroup.fi
Map:
https://tinyurl.com/BlackbirdMap
Our site:
https://blackbirdgroup.fi/
Christian Thiels @christianthiels.eurosky.social Civil Servant in Defence 🇩🇪 | he/him | 4mer Journalist & Spoxperson | No official German MoD account | personal views only | RP&FAV ≠ I agree
🦊🐿️🦅🦉🐦⬛🌳🐕🦺🦝 📷 🏃 E-🏍️🌱
Nature lover & ambitious (but rather amateurish) wildlife photographer (Nikon D850) | 99%Vegan
Mira of Kyiv 🇺🇦 @reshetz.bsky.social 24, ukrainian-american
Print FPV drones like money and we’re hyperinflating
(((Tendar))) @tendar.bsky.social Tyrants are my enemies | Si vis pacem para bellum |🇩🇪🇪🇺| Das Böse triumphiert allein dadurch, dass gute Menschen nichts unternehmen |Military & History
Benjamin Tallis @bctallis.bsky.social Head of Policy & Analysis at Helsing - AI to Protect Our Democracies | Chair @DSI_Strategy |🇺🇦🇪🇺🇩🇪🇨🇿🇬🇧 | #NeoIdealism | Post=personal, Repost ≠ endorse. Views mine
Jade McGlynn @drjademcglynn.bsky.social Researches and writes on Russia, Ukraine, memory, propaganda 
Brady Africk @bradyafr.bsky.social Data, maps, and satellite imagery 🛰🌻🔭
viewsfromabove.bradyafrick.com
Max Boot @maxboot.bsky.social CFR fellow, Washington Post columnist. Pulitzer finalist for biography. Author: REAGAN: HIS LIFE AND LEGEND, NYT bestseller and NYT 10 best books of 2024. Man of many hats. Repost ≠ endorsement. maxboot.net.
Michael Weiss @michaeldweiss.bsky.social Editor @insidereng, host @foreignoffpod, https://substack.com/@macspaunday, ISIS: Inside the Army of Terror: http://goo.gl/Jb6uEA. Next book on the GRU for @vikingbooks. macspaunday@protonmail.com
Molly McKew @mollymckew.bsky.social Writer/lecturer on Russian influence & information warfare | lead writer of greatpower.us | Be excellent to each other
Jay in Kyiv @jayinkyiv.bsky.social https://buymeacoffee.com/jayinkyiv
🦋Special Kherson Cat🐈🇺🇦 @specialkhersoncat.bsky.social 
Timothy Snyder @timothysnyder.bsky.social Temerty Professor of Modern European History, Munk School, University of Toronto; Permanent Fellow, IWM Vienna; Emeritus Levin Professor, Yale. Author of "On Freedom," "On Tyranny," "Our Malady," "Road to Unfreedom," "Black Earth," and "Bloodlands"
The Kyiv Independent @kyivindependent.com Independent English-language journalism in Ukraine
Become a member: kyivindependent.com/membership
Illia Ponomarenko @ioponomarenko.bsky.social Live straight out of Bucha 🇺🇦
Pre-order my new book "The Land of Tears and Hope": https://geni.us/tearsandhope
Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
Julia Davis @juliadavisnews.bsky.social Columnist @TheDailyBeast, creator of the Russian Media Monitor, sanctioned by Russia.
I watch Russian state TV, so you don't have to.
Author of a book "In Their Own Words: How Russian Propagandists Reveal Putin’s Intentions."
ESPN @espn.com Serving sports fans. Anytime. Anywhere.
August Cole @augustcole.bsky.social Writing #FICINT http://useful-fiction.com #BurnInBook (2020) http://bit.ly/2sYB7gy #GhostFleet (2015) http://bit.ly/2usdwFC Fellow: RUSI & Atlantic Council
Euan MacDonald @euanmacdonald.bsky.social Freelance journalist living and working in Kyiv, Ukraine
BBC local radio freelance reporter, sometimes heard on LBC radio
Very biased: against fascist and authoritarian regimes; for democracy, rule of law, and human rights.
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
Mark Urban @markurban.bsky.social Host C4N Fourcast Indicators pod, writing @Sunday Times, ex-BBC guy covering war & peace + sometime Newsnight presenter 1990-2024, IWM trustee, author Big Boys Rules, Generals, Rifles, Task Force Black, The Tank War, Skripal Files, Red Devils, Tank & more!
Isaac Alexander @jetcitystar.bsky.social Editor In Chief JetCityStar. ✈ Aviation , ➤ Defense & 🚀 Space News. Former Hype Aerospace, Global Aerospace Chat & Global Military Aviation Chat Host.
Gig Harbor, WA
Keir Giles @keirgiles.bsky.social Twitter refugee #1,383,497
Angry Staff Officer @pptsapper.bsky.social History person, Army officer, transplanted Buckeye, not really that angry anymore. Writes stuff. Some Star Wars. Refugee from Twitter. Views do not reflect or represent the DoD's. He/him/his. angrystaffofficer.com
John Hudson @johnphudson.bsky.social I cover diplomacy and national security for The Washington Post- J James Ryseff @jamesryseff.bsky.social Senior Technical Analyst at the RAND Corporation focusing on Artificial Intelligence, software best practices, and defense innovation.
John Ridge 🇺🇸🇺🇦🇹🇼 @johnridge.bsky.social Physics | Weapons Systems | National Security | Foreign Policy | Arms Exports | Security Assistance | Tochnyi Contributor | Donate to Liberty Ukraine Foundation
Nicole Grajewski @nicolegrajewski.bsky.social Assistant Professor at Sciences Po CERI | Associate with Harvard’s Managing the Atom | working on nuclear issues involving Russia and Iran | author of Russia and Iran: Partners in Defiance from Syria to Ukraine (OUP/Hurst)
Aaron Bateman @aaronbateman.bsky.social Assist. Prof. of History & Intl Affairs at George Washington U. | Book #1 : "Weapons in Space" | Book #2 "Wiring an Empire" (contracted w/ MIT Press)
Joshua C Huminski @joshuachuminski.bsky.social SVP of natsec & intel @ CSPC, policy for Rep. Mike Rogers (R-MI, ret.), book reviewer for the Diplomatic Courier, GMU NSI Senior Fellow & host of ‘Coffee & Conflict’.
Paul C. Strobel @paulstrobel.eu Strategic Communications for Quantum Systems 📲 Former Comms Invictus Games 2023 & MoD Germany 🪖 LSE Alumnus 🎓 War, Communications and their continuation by other means 🗣️
Andrea Gilli @aagilli.bsky.social 
Nicholas Drummond @ndrummond.bsky.social Defence analyst and industry consultant specialising in Land Warfare. Former British Army infantry officer. UK Advisor to KNDS Germany. Views expressed are my own. See also my blog at www.UKLandPower.com
BenB 🇺🇦 @benborges.xyz Sharing the latest of the 🇷🇺 War against Ukraine 🇺🇦 @osintukraine.com
About me : https://benborges.xyz/about/
Matrix : @benb:osintukraine.com
Signal : benb.41
Ukraine War Telegram Archive ⤵️
⚠️🔞 https://v2.osintukraine.com
Paul van Hooft @paulvanhooft.bsky.social Europe | US | grand strategy | deterrence | Research Leader RAND Europe | fmr Stanton Nuclear Security Fellow MIT | fmr Max Weber EUI | PhD.
Daniel Fiott @danielfiott.bsky.social Professor and Head, Defence, Investment and Innovation, CSDS - VUB; and Non-Resident Senior Fellow, Real Instituto Elcano.
More on me: https://linktr.ee/danielfiott
James Cameron @jjjcameron.bsky.social Professor of Modern North American History at the University of Oslo, Norway. Nuclear strategy and arms control.
CSDS Brussels @csds.bsky.social The Centre for Security, Diplomacy and Strategy at the VUB’s Brussels School of Governance. Proud home to the Japan Chair and KF-VUB Korea Chair.
Christiaan Triebert @trbrtc.bsky.social Visual Investigations reporter at The New York Times. Previously with Bellingcat and Airwars. Retired hitchhiker.
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
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/
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
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.
@konradmuzyka.bsky.social @konradmuzyka.bsky.social 
@davidhambling.bsky.social @davidhambling.bsky.social 
Anton Gerashchenko @antongerashchenko.bsky.social Ukrainian patriot. Advisor to Internal Affairs Minister (2021-2023). Support my team of volunteer translators: http://patreon.com/TwitterAG
Mark Hertling @markhertling.bsky.social Former soldier. Student of leadership & national security; Professor, author (“If I Don’t Return: A Father’s Wartime Journal”), speaker. Always looking for civility & new adventures.
https://www.markhertling.com
Natalia Antonova🇺🇸🇺🇦 @nataliaantonova.bsky.social Ukrainian-American. Writer. President, Concerned MILFs for America. Safer Dating Now creator. OSINT, but making it girly. Advocate for the glorious Normie Restoration ☀️
The Aviationist @theaviationist.com Unmatched, unconventional, independent coverage of military aviation, defense, tech & everything in the middle.
Edited by David Cenciotti (@cenciotti.theaviationist.com)
https://theaviationist.com