John Bolton's Mustache @jonboltonsmustache.bsky.social This is my mustache. There are many like it but this one is mine. News watcher. Opinionated person. Middle of the road. Vet. Parody. Part scary AF.
atomicbell @atomicbell.bsky.social President and CEO of the Bulletin of the Atomic Scientists
@sovietologist.bsky.social @sovietologist.bsky.social Policy Researcher at RAND Corporation. Author Deterrence under Uncertainty: Artificial Intelligence and Nuclear Warfare (Oxford University Press, 2023): https://global.oup.com/academic/product/deterrence-under-uncertainty-9780192886323
@douglasbshaw.bsky.social @douglasbshaw.bsky.social Imaginary provost of the make-believe university of human survival; promoting the creation and dissemination of knowledge to prevent nuclear war
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
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.
Andrew Facini @andrewfacini.com Senior Fellow, @councilonstrategicrisks.org working on nuclear weapons policy. Teaching and such at Harvard Extension. Views my own.
Nuke policy starter pack! https://go.bsky.app/8jiQV43
Paul Cormarie @paulcormarie.bsky.social RAND Analyst | European defense & nukes | 🇫🇷🇺🇸
Fred Kaplan @fredmkaplan.bsky.social Slate's War Stories columnist; author of The Bomb, Dark Territory, The Insurgents, 1959, Daydream Believers, The Wizards of Armageddon, and--most recently--A Capital Calamity (a novel); also jazz critic for Tracking Angle.
Zach Dorfman @zachsdorfman.bsky.social National Security Reporter. 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. Email: thebrushpass1@protonmail.com
John William Sutcliffe IV, Ph.D. @nuclearhistory.bsky.social Historian of France's military nuclear ambitions (1945-1958) and US nuclear weapons testing. The views expressed are my own and do not reflect the official policy or position of the US Air Force, the Department of Defense, or the US Government.
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
JD Menton @jdmenton.bsky.social Fellow @ Carnegie Endowment Nuclear Policy Program; nukes, non-pro, and tech governance; recovering journalist, itinerant Floridian
Adam Mount @ajmount.com Deterrence, nuclear strategy, progressive foreign policy.
Fmr. FAS, CAP, CFR, Ph.D. Government, Georgetown.
Bio: ajmount.com.
Banners: @UAHIRISE.
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.
Dr. Jacquelyn Schneider @jackieschneider.bsky.social Hoover Fellow, Director Wargaming and Crisis Simulation Initiative, Stanford University. Research on international security, emerging technology, wargames. Views are my own. 
Thomas Fraise @thfraise.bsky.social Nuclear weapons, deterrence, secrecy, and democracy.
Currently, Univ. of Copenhagen & Nuclear Knowledges. Co-editor in chief of PARISS Journal.
James Acton @nuclear-jim.bsky.social Co-director of the Nuclear Policy Program at the Carnegie Endowment For International Peace. I spend a lot of time thinking about nuclear weapons, advanced nonnuclear technology, and escalation.
Nick Touran @whatisnuclear.com Ph.D./P.E. nuclear engineer and nuclear educator who runs https://whatisnuclear.com. Thinks about how to deliver nuclear power reliably and cheaply, advanced reactors, reactor history, energy.
Gerald C Brown @geraldcbrown.bsky.social China, PLA, Taiwan, defense, & nukes | IAF @CFR | Liberal natsec-type | Opinions mine
CanadianRy 🇨🇦 @canadianry.bsky.social <I follow only those that interact with posts>
Cyborg/Technical Writer/NatSec Researcher
HERE FOR UKRAINE
Fuck Fascism - Everywhere
REBUILD the CAF🍁
Ignorance Makes Me Cranky
Bipolar I - Chronic Pain
Alan Fisher @amfisher.bsky.social Attorney, gamer (computer, RPG, tabletop), GM, husband, father, occasional author. Hatch Act restricted, so don't expect much politics.
Self-appointed leader of 'Guys named Al who hate AI.'
⌬ In my MoonMoon Era ⌬ @phobosdeimos.bsky.social Mostly just random, but on occasion have been known to wax poetic/get super nerdy about: CBRN/CWMD, nuclear weapons, deterrence, etc.
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
Thanos Massias @massiasthanos.bsky.social I post things that I find interesting (mostly about aviation and defence), while referencing sources and providing context.
Piraeus, Greece.
Clément Molin @clementmolin.bsky.social Étudiant à ILERI Lyon, passionné de géopolitique et de relations internationales.
Suis les guerres en cours dans le monde.
Co-directeur d'@atummundi.bsky.social
Radio&Nukes @radioandnukes.com Analysis is the art of making sense out of fragments.- W woolaf @woolaf.bsky.social Nuclear nerd and lover of baseball. Owner of the cutest dog in the world.
John Ridge 🇺🇸🇺🇦🇹🇼 @johnridge.bsky.social Physics | Weapons Systems | National Security | Foreign Policy | Arms Exports | Security Assistance | Tochnyi Contributor | Donate to Liberty Ukraine Foundation
Mark Hamill @markhamillofficial.bsky.social Believe in yourself! Work hard, never give up & anything's possible! OR: Kick back, relax & aim low: You'll never be disappointed...😜
Jon Engelsman @engelsman.bsky.social engineer // ground software and satellite scheduling @ umbra space 📡🛰️ // previously ops and r&d in telecom, energy and aerospace // engelsjk.com
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
Jamie @russiarecap.bsky.social MA student | interested in and researching all things armed conflict (particularly Russian defence policy)| Posts focused on analysis & observations | Likes&Shares≠not endorsements
Phillips OBrien @phillipspobrien.bsky.social Professor of Strategic Studies, Author, Lover of Sicily. Purveyor of a “righteous-but-rational vibe”
Carlo "Realism, Gedankenfetzen und Rants" Masala @carlomasala1.bsky.social IR Scholar. Universität der Bundeswehr München. Private account
Jon B. Wolfsthal @jonatomic.bsky.social Nuclear Fellow @ Pax Sapiens, former Bulletin of Atomic Scientists and State Department International Sec Advisory Board, CNAS Sr. Fellow, former National Security Council. No #manels, Yankees/Gunners.
@konradmuzyka.bsky.social @konradmuzyka.bsky.social 
Peter Zeihan's Hair @zeihanshair.bsky.social Follicular forecasts flame-tested.
Jacob Hausdorf @jhausdorf.bsky.social Emergency management professional interested in defense, military, and Seattle Sports. Formerly US Army Infantry.
My substack Learning Through Failure: https://jhausdorf.substack.com/
ORBAT Mapper @orbatmapper.bsky.social Loves maps, ORBATs and history. Working on a tool for recreating historic battles and military scenarios in the browser.
https://orbat-mapper.app
Sam Lair @slair.bsky.social Fellow at FPRI | MIIS NPTS '24 | RTs/views my own etc. Also @sam_lair on Twitter
Nathan J Hunt @isnjh.bsky.social GEOINT and 3D reconstruction
Jamie Withorne @jamiewithorne.bsky.social Nuclear weapons, international politics, and “”emerging”” technology.
Doctoral Research Fellow in Political Science, University of Oslo
LearnWMD Spreadsheet and Substack: www.jamiewithorne.com
David Teter @dtc94133.bsky.social Engineering PhD. Professional Civil Engineer. Former nuclear strike advisor and intelligence analyst. Likes to chat about cars (JDM and Porsche), motorcycles, horology, and shooting film. Loves cats, hates facists.
https://github.com/davidteter/OPEN-RISOP
Ben Loehrke @nonstrategic.bsky.social Program Officer for Nuclear Weapons at Stanley Center for Peace and Security
Ex-Twitter @nonstrategic
https://stanleycenter.org
Corentin Brustlein @corentinbr.bsky.social Former think tanker and lecturer on strategy and nuclear weapons, turned bureaucrat. Views are my own.
Laura Rozen @lkrozen.bsky.social Reporting on foreign policy. Current: https://diplomatic.substack.com Just Security ed board. Al Monitor, Politico, Foreign Policy alum.
Kyle Mizokami @kmizokami.bsky.social I have this thing where I get older but just never wiser | Hachiman Defense Substack https://hachiman.substack.com/ | Formerly covered defense @ Popular Mechanics. Weapons person.
John McCoskey @johnmccoskey.bsky.social Serial COO/CTO- Media & Entertainment/Communications/ Satellite/ Internet/Technology. Prior CTO at MPAA, PBS, Discovery, +. Still learning. 
Lucian Bumeder @lbumeder.bsky.social Coordinator @YoungDeepCuts | Researcher @IFSHHamburg | MA Intern. Relations @FU_Berlin & MGIMO | Collecting perspectives on possibilities for arms control
Ryan Chan 陳家翹 @kakiuchan.bsky.social Truth is still the truth even if nobody believes it. Lie is still a lie even if everybody believes it.
Reconstructionist @unavaleable.bsky.social some kind of bureaucrat | lots of typos | he/him | if you're confused what Double Victory (DVTL) is look at my pinned | views my own, etc normal disclaimers
James Cameron @jjjcameron.bsky.social Professor of Modern North American History at the University of Oslo, Norway. Nuclear strategy and arms control.
Daniel Salisbury @dbsalisbury.bsky.social Senior Fellow for Nuclear Arms Control, Non-Proliferation and Disarmament at the International Institute for Strategic Studies (IISS).
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
MarQs__ @marqs.bsky.social 
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
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
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
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.
Battle Order @battleorder.org ⚔️ Posting military unit graphics, fictional art, and quirky vehicles. #ORBATBoys
https://www.youtube.com/@battleorder
https://www.battleorder.org/
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
Brady Africk @bradyafr.bsky.social Data, maps, and satellite imagery 🛰🌻🔭
viewsfromabove.bradyafrick.com
Sebastian Bae @sebastianbae.bsky.social Senior Game Designer at the Center for Naval Analyses (CNA). Adjunct Professor at Georgetown. Former US Marine. Opinions own.
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/
"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
Buffer @buffer.com The social media management platform for scheduling, publishing & analytics across every major network. Plan your content calendar in one place. This account is managed by real humans. 💙
⬇️ buffer.com/bluesky
Erik E. Mueller @erikemueller.com Minnesotan. he/هو. armed groups, the state, North Africa, West Asia.
Social science researcher & PhD candidate @umnpolisci.bsky.social. Comparative Politics & Methods.
Past: RAND and CPOST.
Wolves. Lynx.
www.erikemueller.com
Jane Vaynman @janevaynman.bsky.social Assistant Professor of Strategic Studies at Johns Hopkins SAIS. I study arms control, nuclear weapons, international institutions, and emerging technology.
Leopold Schmertzing @leo81.bsky.social Taking a writing break, associate fellow @aies.at, former program head @forumalpbach, @EP_EPRS, team @evamaydell, strategic foresight & security-defence nerd, @SAISHopkins/@univienna alum
Upandaway @upandaway.bsky.social 'Skeets' mostly about security policy, tech, and economics.
@_up_and_away_ on the site formerly known as Twitter.
Steve Abott @stephenabott.bsky.social Policy analyst, RPCV, lover of sushi, live in DC area but always a New Yorker. Also - Yankees forever. 
stromgade @stromgade.bsky.social News about Earth Observation. Author of http://satelliteobservation.net and http://therestlesstechnophile.com . Views my own.
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)
MT Anderson @mtanderson.bsky.social 🇺🇸 husband, girl dad, son, brother 🇺🇸
••• Opinions are my own •••
Maaike @maaikeverbruggen.bsky.social non-practicing intellectual on war & tech
NL/EN
Massimo Frantarelli @mrfrantarelli.bsky.social Military observer. (Mostly Ru.)
https://x.com/MrFrantarelli
@saturnax1.bsky.social @saturnax1.bsky.social Pensate Profunde. All things submarines!
Digital Naval Photo Collection | Naval News
- Coffee: https://buymeacoffee.com/matussmutnb
- My TWZ articles: https://www.twz.com/authors/matus-smutny
- My AstroBin: https://app.astrobin.com/u/Saturnax#gallery
Eli Kravinsky @elikravinsky.bsky.social OSINT analyst. Interested in anything and everything related to the PLA. Views my own.
Alan Elrod @aselrod.bsky.social Arkie. Anti-Dirtbagist. President & CEO, Pulaski Institution. Columnist & Contrib. Editor, @LiberalCurrents.com
Words: @thebulwark.com, @ms.now, @foreignpolicy.com, @theunpopulist.net
Writing a book (Broadleaf)
Go Knicks
He/Him
Jeff T @nafoarizona.bsky.social Tech / Arizona / Scale Modeling / random other stuff. Support 🇺🇦
@vincenttourret.bsky.social @vincenttourret.bsky.social Doctorant UQAM, @RAS_NSA, Chercheur associé @FRS_org, travaille sur la culture stratégique russe...et ses déboires. Chewbaca-morphe patenté et lurker de blousks émérite
Dimitris Dranidis @dimitrisd.bsky.social Director of Professional Development at Matrix Pro Sims. Creator of "Command: Modern Operations" and "Command Professional Edition".
https://command.matrixgames.com/
Steve Trimble @thedewline.bsky.social I’m the Defense Editor at Aviation Week.
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
Brian Everstine @beverstine.bsky.social Pentagon editor at Aviation Week. 
George Allison @geoallison.ukdefencejournal.org.uk Journalist | Editor of the UK Defence Journal, one of the UK's largest independent defence and security news websites. | Cyber Security graduate. | Member of the National Union of Journalists | Talks about 🚢s & ✈s.
Tatarigami @tatarigami.bsky.social Former UA officer
Founder of the Frontelligence Insight: https://frontelligence.substack.com
To support my work: http://buymeacoffee.com/frontelligence
Michael Horowitz @michaelhorowitz.bsky.social Geopolitical and security analyst, Views are my own.
Nate Schenkkan @nateschenkkan.bsky.social Human rights expert. Global authoritarianism, transnational repression, Turkey and Eurasia, academic freedom. Entirely personal account.
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/
Alexander Clarkson @aphclarkson.bsky.social Senior Lecturer for European Politics and History at King's College London. Opinions my own. RT not always endorsement.
Also to be found at @APHClarkson
https://www.ullstein.de/werke/die-macht-der-diaspora/hardcover/978354910
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here.
All coordinates are at http://russianforces.org/podvig
Hans Kristensen @nukestrat.bsky.social Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, co-author of Nuclear Notebook, SIPRI Yearbook. Opinions my own.
Website: https://fas.org/initiative/nuclear-information-project/
Anatoly Zak @anatolyzak.bsky.social RussianSpaceWeb.com
Andrey Baklitskiy @baklitskiy.bsky.social Nukes at UNIDIR. Views own, RT/❤️ ≠ endorsement
H I Sutton @covertshores.bsky.social Independent Defense Analysis, Unconventional Naval Warfare, author, submarines, #OSINT, illustrations. Mostly typos
http://www.hisutton.com/