Ok maybe it wasn’t clear, loading that page is not the problem it is blocking us from actually signing in. I have followed all the same troubleshooting steps that were recommended in the other thread I linked here Access deied to Navy Federal website and it sounds like it is intentionally being blocked by Navy Fed as their customer support immediately asked if I was using the Brave browser and stated that it was recently added to the list of incompatible browsers
I take it back as of this morning I am now able to sign in using a new private window. I think they are actively changing something on their backend