[Service man performing maintenance on tail rotor of the YH-40] Side: 1 of 1
Reference the current side of this Photograph.
[Service man performing maintenance on tail rotor of the YH-40], photograph, April 1, 1958; (https://texashistory.unt.edu/ark:/67531/metadc950071/m1/1/?q=%22Science+and+Technology%22: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Special Collections.