Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
Good looking shelter. Here's some info that may help.
There have been a number of manufacturers and some of the internal framing has varied based on the intended application and where the penetrations were but Gichner probably made most of them.
Here is a link to their site.
GICHNER...