Sassie Duggleby

Stay informed with Sassie Duggleby’s coverage and analysis for Fortune.

  • A Russian JSC Rosoboronexport KH-69 air-launched cruise missile and RVV-BD and RVV-MD2 air-to-air hypersonic long-range guided missiles are pictured during the 2023 Dubai Airshow at Dubai World Central – Al-Maktoum International Airport in Dubai on November 13, 2023. (Photo by Giuseppe CACACE / AFP) (Photo by GIUSEPPE CACACE/AFP via Getty Images)Commentary

    Russia and China are leading in hypersonic innovation. Here’s what’s holding the U.S. back

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