Create Request File a Request Recent Requests See All Title Status Agency Jurisdiction Tunnels in Linz A Series Of 25 Underground Jet Plane Producing Tunnels In Linz all photos and evaluations found 1945 May (Air Force Historical Research Agency) Completed Air Force Historical Research Agency United States of America Wright Patterson AFB -- St. Clair Adna Switzer research and administrative documents Completed Air Force Historical Research Agency United States of America Wright Patterson AFB -- Hypnosis and Psychochemicals Research -- 1952-1968 Completed Air Force Historical Research Agency United States of America Wright Patterson AFB -- Psychochemicals Meeting -- October 4, 1955 Awaiting Acknowledgement Air Force Historical Research Agency United States of America