George William Herbert @georgewherbert.bsky.social IT/Cloud/SRE/PE, rockets & missiles, nukes not going bang, space, CS, ships. YIMBY & amateur transit geek. Part time adjunct @ miis.edu teaching Missiles & Missile Defense. I speak for myself only not $DAYJOB. V95.45XA I do #OSINT against nuclear missiles.
Jill Sargent Russell, PhD @jsargentr.bsky.social Military Historian
-NatSec & Strategy
-Logistics
-Geopol Risk
-Urban Warfare
-LOGPOWER
-Rapid Analysis
Ukraine Adventure: https://www.patreon.com/TheAdventurousHistorian?utm_campaign=creatorshare_creator
At the Junction: https://jsargentr.substack.com/
Erik Gellman @mingerton.bsky.social Historian @UNC, dad, author, record collector, cat caretaker, born in Buffalo, live in NC.
Kyle Ingram @kyleingram.bsky.social Democracy Reporter at The Raleigh News & Observer • UNC ‘23 • Contact: kingram@newsobserver.com
Simon Weschle @simonweschle.bsky.social Associate Professor of Political Science at UNC.
www.simonweschle.com
Michael Leibel @michaelleibel.com senior editor for @theatlantic.com | opinions are my own and bad | UNC 2014
UNC-CH Department of History @unchistory.bsky.social Home to avid historians (faculty, graduate, and undergraduate) at the University of North Carolina, Chapel Hill. 
Mike Mazarr @mikemazarr.bsky.social Senior national security researcher; think tanker, former Hill aide, War College, Pentagon, USNR. All opinions strictly mine
Joby Warrick @jobywarrick.bsky.social Veteran Washington Post national security reporter, 1996-2025. Author, "The Jackal." Previous books: Triple Agent," "Black Flags: The Rise of ISIS," "Red Line."
Craig Hooper @craighooper.bsky.social An occasional navalist, maritime geek and national security gadfly. Paying attention to overlooked things.
Rory Medcalf @rorymedcalf.bsky.social Professor Rory Medcalf AM | Head of the National Security College at the Australian National University, Canberra | Indo-Pacific strategy | An independent Australian worldview 
The Cipher Brief @thecipherbrief.bsky.social The Cipher Brief is the only media outlet focused exclusively on bringing you a higher level of confidence around national security events via news, analysis, and interviews with government and private sector leaders.
- J Jonathan Landay @jonathanlanday.bsky.social National Security Reporter, Reuters
Sheena Chestnut Greitens @sheenagreitens.bsky.social Associate Professor at UT-Austin. I study authoritarian politics, security, & East Asia, especially China and Korea.
Non-resident scholar at Carnegie Endowment & U.S. Army War College, editor of the Texas National Security Review. Views my own.
David E. Sanger @sangernyt.bsky.social White House and National Security Correspondent, The New York Times. CNN contributor. Adjunct lecturer, Kennedy School of Government, Harvard University
Steven Beynon @stevenbeynon.bsky.social National Security reporter ABC News | Afghan vet | Prev: Politico, Stars and Stripes, Fox 19 Cincinnati | Steve.Beynon@military.com | Adopt not shop | DM for Signal https://www.military.com/author/steve-beynon
Marc Ambinder @marcambinder.bsky.social National security, politics, breaking news, cats. Author of "The Brink." Trust and safety policy @ TikTok now. Amateur Everettian quantum mechanic. 🌈
Sarah Fitzpatrick @sfitz787.bsky.social Staff Writer at The Atlantic covering DOJ and National Security
Sfitzpatrick@theatlantic.com
Natasha Bertrand @natashabertrand.bsky.social CNN national security correspondent. Send tips/pics of your dog(s) to Natasha.bertrand@cnn.com
Signal: Natashabertrand.12
https://www.cnn.com/profiles/natasha-bertrand-profile
Senator Elissa Slotkin @slotkin.senate.gov U.S. Senator from the great state of Michigan. Working to boost the middle class, protect our country, our kids and our democracy. Former national security official.
Institute for the Study of War @thestudyofwar.bsky.social ISW is a policy research organization focused on U.S. national security. Email: press@understandingwar.org. For more: https://linktr.ee/understandingwar
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
J Max Johnson @poetrex.bsky.social Poet, songwriter. Curmudgeon about AI, navies, arms control. Barista at the GOMTO-accredited Memetic Operations Centre of Excellence in Newfoundland & Labrador. Canadian, nonbinary he/him except on full moons when I become a werewife.
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.
Ellen Nakashima @ellenwapo.bsky.social Intelligence and national security reporter at The Washington Post. Reach me securely on Signal at Ellen.626.
OSINTdefender [UNOFFICIAL] @sentdefender-mirr.selfhosted.social Open Source Intelligence Monitor focused on Europe and Conflicts across the World. RT ≠ Endorsement. Want to Support my Work? https://ko-fi.com/osintdefender // Mirror crossposting Twitter account to Bluesky. Unofficial. DM for takedown / claim ownership.
Garrett M. Graff @vermontgmg.bsky.social Journalist & Pulitzer finalist Historian. Fmr ed, @PoliticoMag & @washingtonian. Author of "Watergate: A New History" and "The Only Plane in the Sky" and other books. garrett.graff AT gmail OR ProtonMail. Subscribe to my newsletter: Doomsdayscenario.co
Elaine M. Grossman @elainemgrossman.bsky.social Collector of news stories, affordable art and house dust. On Instagram @flowers_at_twilight 🌿
Michael C. Horowitz @mchorowitz.bsky.social Professor @Penn @perryworldhouse. Senior Fellow @CFR. Former DASD for Force Development and Emerging Capabilities. Defense, #AI, and innovation. Always Boston. Views my own.
jamelle @jamellebouie.net The real jbouie. Columnist for the New York Times Opinion section. Co-host of the Unclear and Present Danger podcast. b-boy-bouiebaisse on TikTok. jbouienyt on Twitch. National program director of the CHUM Group.
Send me your mutual aid requests.
Jon Ossoff @ossoff.bsky.social Dad, husband, U.S. Senator from Georgia.
Phillips OBrien @phillipspobrien.bsky.social Professor of Strategic Studies, Author, Lover of Sicily. Purveyor of a “righteous-but-rational vibe”
Thanos Massias @massiasthanos.bsky.social Still undecided about what to do with BlueSky.
moderation·bsky·app labeled me a spammer for 'Unwanted, repeated, or unrelated actions that bother users'.
They removed the label but didn't say it was unwarranted or give any clue why it was applied.
Becca Wasser @beccawasser.bsky.social Defense Lead, Bloomberg Economics; Senior Fellow for Defense, CNAS. Not a journalist. Views are my own.
Mark Copelovitch @mcopelov.bsky.social Professor of Political Science & Public Affairs & Director of European Studies, University of Wisconsin - Madison. International political economy, international relations, & international finance. 🇺🇸 & 🇪🇺 politics & economic policy. Tradeoffs in everything.
Semafor @semafor.com Building a new global news company. Sign up for our newsletters: https://www.semafor.com/newsletters
Guardian US @us.theguardian.com With 200 years of history and staff across America and the world, we offer a global perspective on US news.
We keep our fact-based news paywall-free.
Become a Guardian supporter: support.theguardian.com
Mariana Budjeryn @mbudjeryn.bsky.social Researcher of nuclear, Ukraine, and nuclear Ukraine. Author of Inheriting the Bomb. MIT Center for Nuclear Security Policy, Brookings and RUSI nonresident, NAS CISAC, ACONA.
Elise Rowan (she/her) @eliserowan.bsky.social Using my time and talents to make opposing nuclear weapons an ascendant issue in the culture.
Zach Dorfman @zachsdorfman.bsky.social Washington Post National Security Reporter. Past features in Politico, Rolling Stone, Wired, Foreign Policy. Working on a book on the history of deep cover for Penguin-Random House.
It’s always Berlin 1989 somewhere. Signal: zsd.19
Al Mauroni @progmil.bsky.social NatSec analyst, WMD and nukes, sci-fi enthusiast, gamer 
John Hudson @johnphudson.bsky.social I cover diplomacy and national security for The Washington Post
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
Senator Chris Van Hollen @vanhollen.senate.gov U.S. Senator for Maryland
vanhollen.senate.gov
Richard Blumenthal @blumenthal.senate.gov Official account of U.S. Senator Richard Blumenthal, proudly working for the people of Connecticut.
www.blumenthal.senate.gov
BeijingPalmer @beijingpalmer.bsky.social Deputy editor at Foreign Policy, China nerd, gaming nerd, reads a lot. Never again a country without consequences.
Kirbstr @kirbstr.bsky.social plessas.net // former CIA and DIA intelligence professional, U.S. Army veteran, and leading OSINT expert who has trained over 25,000 law enforcement professionals through FBI and DEA programs //
knowledgebase.plessas.net
Ambassador Ken Fairfax (ret) @portlandken.bsky.social Retired former US Ambassador, NSC Director for Russia, Ukraine, and Eurasia, NSC Director for Nuclear Materials Security, and Deputy Exec. Dir. of the International Energy Agency
Jeffrey Pryce @jeffpryce.bsky.social International Security & International Law at Johns Hopkins SAIS.
Sr. Fellow, SAIS Foreign Policy Institute.
Former DoD Special Counsel for International Affairs; Counselor, OSD Policy.
[Own views, no endorsement, etc.]
Fred Gui @fredgui1993.bsky.social Assistant Professor of political science at LSU, 23-24 Center for Effective Lawmaking Postdoc, Rochester, JHU SAIS, BFSU and GDUFS graduate 
Cathleen Kelly @cmkelly.bsky.social Center for American Progress senior fellow; previously at the White House (CEQ) & Johns Hopkins U (SAIS); outdoors enthusiast, music lover. Fighting for a healthy environment, climate and clean energy economy that works for everyone. (Personal account)
Daniel Serwer @peacefare.bsky.social Prof Johns Hopkins SAIS, former VP @USIP and MinCounselor @StateDepartment. Blogging multiple international conflicts @ www.peacefare.net
Gabriel @morecoffeeplz.bsky.social Distinguished AI Research Scientist at SentinelOne. Former OpenAI, Apple infosec. Lecturer at John’s Hopkins SAIS Alperovitch Institute. Deceiver of hike length and difficulty.
David Solimini @commsdirector.bsky.social Fear and bravery are contagious. Be brave. Leading @democracycomms.bsky.social. Previously Stimson Center, Truman Project, ICAN, others. Proudly SAIS Hopkins, William & Mary. Opinions are mine, not my employer's. (Was same name at the bad bird place.)
Alperovitch Institute @alperovitch.institute The Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS.
Joshua White @joshuatwhite.bsky.social Professor of Practice, Johns Hopkins SAIS. Nonresident Fellow, Brookings. Former White House and Pentagon official. Asianist. (Views are my own.)
Vali Nasr @valinasr.bsky.social Professor Johns Hopkins-SAIS, Fr Sr Advisor, State Dept, author of Iran's Grand Strategy https://a.co/d/egLBCgz
Jenny Town @jennytown.bsky.social Korea specialist | Senior Fellow, Stimson Center | Co-founder & Director, 38 North | Director, Korea Program | Associate Fellow of SAIS Foreign Policy Institute
www.38North.org
Melissa K. Griffith @melissakgriffith.bsky.social Faculty at Johns Hopkins SAIS & the Alperovitch Institute | former Wilson Center; Stanford CISAC | PhD from UC Berkeley | cyber and national security; semis; 5G; AI | usual disclaimers apply
Coordinates: melissakgriffith.com
Jessica Chen Weiss @jessicacweiss.bsky.social David M. Lampton Professor of China Studies SAIS Johns Hopkins, senior fellow Asia Society Center for China Analysis, previously Cornell, State Dept, Yale
Andrew Fraknoi @fraknoi.bsky.social Semi-retired astronomer, college professor, lead author of a free, open-source textbook (OpenStax Astronomy), and science fiction writer with 13 stories published so far. See fraknoi.com
Hannah Morris @morhannah.bsky.social Director Gov. Affairs at J Street // coalition-builder // natsec thinker // Kensington, MD mom
Robert Rust @rrucs.bsky.social China Analyst, Union of Concerned Scientists Global Security Program.
US-China relations, especially on nukes, arms control and the like. Views my own, likes/RTs ≠ endorsements. I'm not here representing Hardbodies.
Ivo Daalder @ivodaalder.bsky.social Former US Amb @NATO. Now Senior Fellow @BelferCenter. Host World Review Podcast. Author America Abroad Substack. Policy Wonk. Dog lover. Baseball fan. New Chicagoan. Old Dutchman.
Last Week Tonight with John Oliver @lastweektonight.com The official Bluesky account of Last Week Tonight with John Oliver. youtube.com/lastweektonight
James Cameron @jjjcameron.bsky.social Professor of Modern North American History at the University of Oslo, Norway. Nuclear strategy and arms control.
Joseph Dempsey @josephhdempsey.bsky.social Research Associate for Defence & Military Analysis,
The International Institute for Strategic Studies
JHU SAIS Merrill Center for Strategic Studies @saismerrillcenter.bsky.social The @johnshopkinssais.bsky.social Philip Merrill Center for Strategic Studies explores politics and the use of force in international relations. All views belong to individuals.
John McLaughlin @mclaughlinsais.bsky.social Professor of Practice, Johns Hopkins School of Advanced International Studies (SAIS). US Army veteran and long service in the US intelligence community. - S Semmi Pasha @semmiecon.bsky.social Doctoral student at Johns Hopkins SAIS
Meredith Ludlow @meredithludlow.bsky.social PhD Candidate @SAIS Hopkins | China Studies
Aaron Cross @cross687.bsky.social U.S. Army Cavalry/Armor officer. West Point grad. SAIS Strategic Studies alum. Former Instructor, Military & Strategic Studies @ USAFA.
Lucas Ros @jhucyber.bsky.social JHU School of Advanced International Studies (SAIS) | MA Strategy, Cybersecurity, & Intelligence (MASCI) @ Alperovitch Institute
Howard Wang @howardgwang.bsky.social China and defense at RAND. Previously USCC. Dr from SAIS. 台美人. Views my own.
Johns Hopkins School of Advanced International Studies @johnshopkinssais.bsky.social Johns Hopkins SAIS: Innovative thinkers and problem-solvers confronting complex global challenges.
📍 D.C. Bologna, Nanjing
🔗 sais.jhu.edu
Isaac Kardon @ibkardon.bsky.social Study China maritime strategy & int’l security policy
Senior Fellow at the Carnegie Endowment for International Peace
Adjunct Professor at Johns Hopkins SAIS
Book: China’s Law of the Sea yalebooks.yale.edu/book/9780300256475/chinas-law-of-the-sea/- C calebagibson.bsky.social @calebagibson.bsky.social
SIPRI.bsky.social @sipri.org SIPRI is an independent international institute dedicated to research into conflict, armaments, arms control and disarmament.
Website🔗: https://www.sipri.org/
Subscribe🔔: http://bit.ly/SIPRIsubscribe
Centre for Nuclear Strategy and Security @kclcnss.bsky.social The Centre for Nuclear Strategy and Security (CNSS) is an interdisciplinary research & teaching group focusing on nuclear weapons and international security. Part of @WarStudies @KingsCollegeLondon
Ian Coleman @icrcoleman.bsky.social Masters of International Security at Georgia tech. International security, nuclear weapons, and territorial conquest. Avid traveler and occasional car nerd.
The Nonproliferation Review @thenonproreview.bsky.social Flagship peer-reviewed journal of the James Martin Center for Nonproliferation Studies. Run out of our Vermont office at Middlebury College. All things weapons of mass destruction: chemical, biological, nuclear arms, more.
Editor: @herzogsm.bsky.social.
Erin Dumbacher @dumbacher.bsky.social International security & technology | Views are just mine and are often about defense tech, nuclear weapons, space policy, NATO, and good design.
Chase @chalexthegreat.bsky.social Nuclear weapons policy wonk. Opinions my own.
SOMA
RTs≠endorsements. he/him/his
Sanne Verschuren @sannecjv.bsky.social Assistant Professor of International Security at the Pardee School of Global Studies, Boston University || Ph.D. from Brown University || Formerly at Sciences Po, CISAC, Belfer Center || Military Technology, Strategy & Nuclear Weapons
Mark Mazzetti @markmazzetti.bsky.social Washington Correspondent, The New York Times. Author, "The Way of the Knife: the CIA, a Secret Army and a War at the Ends of the Earth," and currently writing a book about the Middle East. Adjunct professor, Duke University.
Joseph Trevithick @franticgoat.bsky.social ‘Punk' Journalist, Executive Editor
at The War Zone (https://www.thedrive.com/the-war-zone), and defense and security analyst.
Jordan Hibbs @jordanhibbs.bsky.social Senior Nuclear Policy Advisor | 📍Washington, DC | Personal Account - Views are my own.
Colleen Larkin @colleen-larkin.bsky.social Postdoc at IGCC. Columbia PhD. Wellesley alum. Narratives, nuclear weapons, foreign policy. She/her 💫🏳️🌈
Garrett Hinck @garretthinck.bsky.social PhD candidate at Columbia, studying security, nuclear weapons, space, cyber and intelligence. Formerly @ Carnegie Endow
Check out my writing here: https://strategicdefense.substack.com/
Reid Pauly @reidpauly.bsky.social Assistant Professor of Nuclear Security and Policy at Brown University. Author of "The Art of Coercion" (Cornell UP): https://www.cornellpress.cornell.edu/book/9781501782787/the-art-of-coercion/
Thomas Moore @papermissiles.bsky.social Ex-US Senate Foreign Relations Committee Senior Professional Staff Member, failed think-tanker, sometime nuclear policy expert, perpetual Jayhawk, lifetime Bulgakov fan, and amateur Egyptologist.
Nuclear Times @nucleartimes.bsky.social The magazine for nuclear disarmament
Carnegie Nuclear Policy @carnegienpp.bsky.social The Carnegie Nuclear Policy Program is an internationally acclaimed source of expertise on nuclear industry, nonproliferation, security, and disarmament.
Claire Wählen @clairewahlen.bsky.social Nuclear deterrence, diplomacy, policies and law ☢️| Prev. NATOCanada, UNFPA Rwanda, Ploughshares_ca | War Studies MA from King's College London | Former journo 🇨🇦/🇬🇧
Målfrid Braut-Hegghammer @malfridbh.bsky.social Professor of War Studies, King’s College London
Founding Director of the Oslo Nuclear Project
Oslo Nuclear Project @oslonuclearproject.bsky.social Scholars in the Oslo Nuclear Project provide academic research, education, and outreach to policy and practitioner communities.
Sign up for our newsletter & event invites here: https://www.sv.uio.no/isv/english/research/projects/oslo-nuclear-project/
Geoff Wilson @nuclearwilson.bsky.social Stimson Center Distinguished Fellow. Nuke and NatSec Thoughts. Sometimes boxer, constant matriarchy supporter, ally, husband, and dog dad. Views my own, etc.
Project on Managing the Atom @managingtheatom.bsky.social MTA is the primary nuclear policy research project at @Belfercenter.bsky.social, @Harvardkennedy.bsky.social.
Repost ≠ endorsement.
Maren Vieluf @marenvieluf.bsky.social Desk Officer @ GFFO | Interested in all things nuclear weapons and international order | PhD Candidate @ Uni Innsbruck | Personal Account |