[Army officers stand beside of H-40], photograph, July 29, 1958; (https://texashistory.unt.edu/ark:/67531/metadc950003/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Army officers stand beside of H-40], photograph, July 29, 1958; (https://texashistory.unt.edu/ark:/67531/metadc950003/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .