The National Archives’ Online Public Access (OPA) system will be down for maintenance from May 10 to May 25, 2013. We are in the process of rolling out a new version of OPA that will bring the catalog up to date. After the updated system is rolled out, the catalog will be updated on a weekly basis. We apologize for the inconvenience and thank you for your patience as we work to improve the system!
You may wish to use the Archival Research Catalog (ARC) for your research during this period of downtime. The descriptions or catalog records will be available in ARC, although all digital images in ARC will be unavailable for this period. Please check out OPA after May 25th!
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[“Aircraft Schools. Boys training as maintenance men at Aero Industries Technical Institute, 05/01/1940. National Archives Identifier 532186]