faster delivery systems, and nonki - netic and grey-zone threats. The Re - gional Sustainment Framework (RSF) On June 24, 2025, the department signed out implementing guidance for RSF, a proactive and integrated sustainment approach that shifts is the start of that evolution. the focus from reactive retrograde sustainment solutions to forward, regionally based co-sustainment strategies, capabilities, and scalable capacity. Simply put, co-sustainment provides logistics, personnel services,
and other product support to the Warfighter in enduring collaboration and cooperation between the United States and its allies and partners. Co-sustainment ventures with al - lies allow for the United States to dis - perse assets—complicating targeting, forward posture support to the War- fighter, and sharing the burden with allies and partners. RSF provides a blueprint for building resilient, dis - tributed logistics networks capable of absorbing and surviving disrup - tion, and delivering consistent, af -
fordable, and reliable support to the Warfighter, even in contested To accelerate this evolution, RSF initiatives are being aligned with the department’s Acquisition Transfor - mation Strategy, leveraging flexible logistics environments. contracting tools and rapid resource allocation to ensure sustainment so - lutions are delivered at the speed of relevance. In this way, RSF and co- sustainment initiatives are not only advancing resilience in contested logistics but also directly reinforcing
JANUARY – FEBRUARY 2026 | DEFENSE ACQUISITION MAGAZINE 15
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