Since we switched to HTTPS our CDN url is showing as our main URL - WPengine must have masked it? Here is a path example to one of our images https://dojmt.gov/wp-content/uploads/human-trafficking1-300x200.jpg
So I used https://dojmt.gov/ as the Base URL but it didn't do anything and I tried it also without a Base URL and still breaks SSL.
Anyway it could be a host issue - WPengine is assigning us a static IP and then reforcing HTTPS hopefully that will help - I update this post as I progress - thanks!!