19-Foot Pressure Tunnel, NASA history collection
Summary
Construction of the 19-Foot Pressure Tunnel.
NASA Identifier: L13963.14
Public domain photograph of the train tunnel, railroad, train track, free to use, no copyright restrictions image - Picryl description
Tags
Date
10/12/2009
Source
Defense Visual Information Distribution Service
Link
Copyright info
Public Domain Dedication. Public Use Notice of Limitations: https://www.dvidshub.net/about/copyright