Yes I have seen that same time and I do know that Brian Thompson who owns Slot & Wing Hobbies in my youth had at least two of them they are on display in the store until recently the last move. Although I can't promise you when I will be by there again and I'll ask Mark his son who works there on Sundays if he knows of any information about them those Towers were built buy model missiles and I if I recall correctly you had to assemble them

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Jeffrey Deem
NAR16741
CIA section 527