It appears that it isn't actually available as of now. Apparently, the NSA is going to release it at RSA Conference 2019, so it'll probably actually be published within the next couple of days.
this is what I get -
403 ERROR The request could not be satisfied. Request blocked.
Generated by cloudfront (CloudFront) Request ID: i_Sa-b1Fj2C4ZAUtBsmAp-7mVg9LerDTlD9t1_00ex4fQyCUhrYvdw==