This is what I quickly found, and the others will make their statements.
I think this is at pay grades above my own, but who knows. I strive to set a high standard.
Adrian Stevenson works with very gifted people in the discipline and I am sure he can help you, also.
I believe it is Asperious who had advice and link on archival/proper care of militaria.
Just do a search on the site for "moths", and you will find it. Go through the thread for the links.
There are others here who are professionals in this discipline. I am a professional in history, too, but of a somewhat different sort.
Wow, that's a real "wow" cap... Unusual chinstrap and buckle.
Here is a link to the thread. I found it to be an interesting read and I'm always open to ideas on preventing moths.
How to prevent mothing ?