Through the generosity of a gentleman who posts on here, he identified (mostly, anyway) a font for me. Interceptor by Device Fonts. It's essentially a revised version of STOP, by Aldo Novarese.
However, "Interceptor" is based on some other font (also a redraft of STOP). I'd like to know what that font is. Some photolettering typeface? Or? This earlier source would have been in existence in 1990, and earlier.
Sample of Interceptor Italic: