Stacie Pettyjohn

Stacie Pettyjohn

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

El Paso Drone Shootdown Underscores Counter‑Drone Implementation Challenges
SocialFeb 20, 2026

El Paso Drone Shootdown Underscores Counter‑Drone Implementation Challenges

New from @BreakingDefense by @michaeldmarrow & @ValerieInsinna: The El Paso shootdown highlights the hard work ahead to safely implement new counter-drone authorities for DoD, DHS, & local agencies. https://t.co/d1WSmDnBAi

By Stacie Pettyjohn
How Ukraine and Russia Adapted Their Wartime Strategies
SocialFeb 18, 2026

How Ukraine and Russia Adapted Their Wartime Strategies

Excellent episode of the @CSIS Russian Roulette podcast on Ukrainian and Russian wartime adaptations with @maxbergmann, @MSnegovaya, @MassDara, and Kateryna Bondar 🎧 https://t.co/AEjQc49Rt1

By Stacie Pettyjohn
US Deploys Advanced Missiles to Philippines, Bolstering 1st Island Chain
SocialFeb 17, 2026

US Deploys Advanced Missiles to Philippines, Bolstering 1st Island Chain

🧵 The U.S. will deploy its "cutting-edge missile and unmanned systems" to the Philippines, a step in strengthening force posture inside the 1st island chain. Beijing isn't happy — that's the point. A welcome sign given the NDS's softer tone on...

By Stacie Pettyjohn