I'm also getting this error in the URL when I try to login to the support site. And since I can't sign in, I can't submit any tickets so I'm not sure what to do.
Recruit - Iron
Made your first hot drop into HaloWaypoint.com
Halo 5: Guardians MP Beta participant.
View your Service Record on the web.
Awarded to Spartans who match with 343 during Flight 2.0.