Air Force Historical Research Agency Welcome to the Department of the Air Force (DAF) Legacy Vault

DAF Legacy Vault

We are excited to announce the development of a new digital space dedicated to showcasing the Department of the Air Force's (DAF) official archival records. This project highlights the rich and storied history of both the Air Force and Space Force, featuring historical records, artifacts, photographs, audio recordings, video documentation, and archival finding aids.

Although the page is currently under construction, our team is actively working to ensure it becomes a comprehensive and accessible resource for historians, researchers, veterans, and enthusiasts. We aim to make these valuable materials readily discoverable for those seeking insights into the DAF's contributions to our nation's history.

This initiative underscores our commitment to preserving and sharing the official ephemera of the Airmen and Guardians who have shaped the legacy of the skies and beyond. Updates will follow as the project progresses, and we look forward to unveiling more resources soon!

DAF History Publications

The Hypersonic Revolution: Case Studies in the History of Hypersonic Technology - Volume I: From Max Valier to Project PRIME (1924-1967)
Volume I: From Max Valier to Project PRIME (1924-1967). This document offers a detailed account of the U.S. Air Force's advancements in hypersonic flight capabilities, chronicling the evolution of experimental test programs and technological breakthroughs from initial concept to operational prototype. It presents rigorous flight tests conducted from Edwards Air Force Base and Holloman Air Force Base with a focus on overcoming propulsion challenges, thermal management issues, and guidance system improvements. The study reviews quantitative test metrics and design modifications while outlining the collaborative efforts between the Air Force and industry partners. It highlights the leadership of personnel such as Colonel David R. Smith and Captain James L. Johnson, whose teams achieved significant milestones including demonstrations of sustained speeds above Mach 5 and enhanced flight control that have set a new standard for global strike capabilities.

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Photo by: Dr. Richard P. Hallion |  VIRIN: HYPERSONIC_REVOLUTION1.PDF