My late father was an Army officer, retired in 1972. He told me that the second they showed those documents on the screen, he knew that they were fakes.
I remember somebody saying, on this same forum, that even IF the Texas ANG offices had a typewriter that would create this kind of formatting (which was highly unlikely...the National Guard was still running on bottom-of-the-barrel stuff from the 40s and 50s), that the content itself—the very way it was written—did not fit a military document.