Stacie Pettyjohn

Stacie Pettyjohn

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Senior Fellow & Director, Defense Program, CNAS; U.S. force design, airpower, posture and wargaming.

Russia Fuels Iran's Drone Attacks on U.S. Forces
SocialApr 21, 2026

Russia Fuels Iran's Drone Attacks on U.S. Forces

Moscow is helping Iran to target U.S. forces in the Middle East & reconstituting its drone stockpiles. In @lawfare, my @CNASdc colleague @DelaneySoliday documents what Russian support actually looks like & why sanctions alone will not stop it. https://t.co/PCDeS86x5A

By Stacie Pettyjohn
Epic Fury Reshapes Middle East, Raises War‑end Questions
SocialApr 16, 2026

Epic Fury Reshapes Middle East, Raises War‑end Questions

Operation Epic Fury has changed the Middle East but hard questions remain: How does the war end? What does the region look like after? And what does it mean for U.S. strategy? Tune in today at 2:30 ET for a @CNASdc panel with...

By Stacie Pettyjohn
Base Access Is Political, Not Transactional
SocialApr 1, 2026

Base Access Is Political, Not Transactional

Spain, Italy, France restricting base access/overflight is a reminder: these permissions are always political, contingent on the specific situation, & treating allies transactionally makes access problems far more likely. https://t.co/GclkTAfsNM?

By Stacie Pettyjohn
Pentagon's Decades-Long Underfunding Leaves Troops Scrambling for Shelters
SocialMar 28, 2026

Pentagon's Decades-Long Underfunding Leaves Troops Scrambling for Shelters

Passive defenses — bunkers, hardened shelters, dispersal — aren't glamorous. The Pentagon has underfunded them for decades. Now, with U.S. troops under fire in the Middle East, DoD is scrambling to find vendors who can ship prefabricated shelters within 30...

By Stacie Pettyjohn
Iran's Energy War Fuels Stalemate, Unites Its Adversaries
SocialMar 21, 2026

Iran's Energy War Fuels Stalemate, Unites Its Adversaries

Depressing but important analysis from the @TheEconomist: The Iran war in a nutshell: America can’t reopen Hormuz, Iran can’t stop the airstrikes, & every escalation option is bad, explaining why there’s no clear path to a durable political solution —...

By Stacie Pettyjohn
Iran's Cheap Drones Reshape Warfare; US Scrambles with LUCAS
SocialMar 20, 2026

Iran's Cheap Drones Reshape Warfare; US Scrambles with LUCAS

Iran's cheap drones are rewriting the rules of modern warfare & the US and its allies are struggling to keep up. I joined @stephanie_h on @Marketplace Tech to break down the Shahed threat, why interception is difficult, and how the combat...

By Stacie Pettyjohn
U.S. Depletes Years of Tomahawks Amid Iran Conflict
SocialMar 13, 2026

U.S. Depletes Years of Tomahawks Amid Iran Conflict

The US has burned through "years" of Tomahawk missiles in just days of the Iran war, per @FT. This was entirely predictable. @CNASdc data shows the Navy bought ZERO new TLAMs in FY2019, FY2024, and FY2025. Thread 🧵 https://t.co/MOTOIV1iJp

By Stacie Pettyjohn
US Deploys Ukrainian Drone Interceptors to Middle East
SocialMar 9, 2026

US Deploys Ukrainian Drone Interceptors to Middle East

The US Army is rushing Ukrainian cheap drone interceptors to the Middle East, which is a hugely welcome development. These are cost-effective, battlefield-tested solutions for defeating Shaheds & should proliferate quickly. https://t.co/bfY0oYf45R

By Stacie Pettyjohn
Allied Production Needed as U.S. Defense Gears for Short Wars
SocialMar 6, 2026

Allied Production Needed as U.S. Defense Gears for Short Wars

U.S. defense industry is built for short, sharp wars not long ones. New from @jlmcardle01 in the @CNASdc New American DIB series: allied manufacturing can close the gaps domestic industry can't fill fast enough. Timely w/expenditure rates against Iran. https://t.co/TInxSDERsE

By Stacie Pettyjohn
U.S. Wins Iran Fight, Yet Readiness for China Falters
SocialMar 6, 2026

U.S. Wins Iran Fight, Yet Readiness for China Falters

@PhilSheers & I in a new @CNASdc insight: The U.S. is defeating Iran militarily. But military success doesn't guarantee strategic success & Epic Fury is draining the readiness we'd need most against China. https://t.co/6opfwY0d7o

By Stacie Pettyjohn
Key Takeaways on Iran Air War From Breaking Defense
SocialMar 4, 2026

Key Takeaways on Iran Air War From Breaking Defense

Had a great time with the @BreakingDefense team talking about the air war against Iran. A few conversations worth your time. 🧵

By Stacie Pettyjohn
Airborne Battle Management Essential Across All DoD Priorities
SocialMar 3, 2026

Airborne Battle Management Essential Across All DoD Priorities

New @CNASdc report: In "Eyes in the Sky," @PhilSheers explains why airborne battle management aircraft aren't just vital in the Middle East—they're essential for DoD's top priorities, from a war with China to defending the homeland. https://t.co/y2xBWinnY5

By Stacie Pettyjohn
US Defenders Easily Neutralize Small Drone Swarms
SocialMar 3, 2026

US Defenders Easily Neutralize Small Drone Swarms

Defeating 1 or 2 drones isn't hard for skilled air defenders. The US military is the best in the world at it. @molkathcam & I examined past operations in the Red Sea and Iraq/Syria operations for our @CNASdc...

By Stacie Pettyjohn
Trump's New Unilateral War Bypasses Debate and Congress
SocialMar 2, 2026

Trump's New Unilateral War Bypasses Debate and Congress

No ultimatums. No congressional votes. No defined endgame. Trump has established an entirely new American way of war that breaks from decades of U.S. policy. Trump's norm is a new form of unilateralism that eschews debate at home & abroad.

By Stacie Pettyjohn