I think he gently sanded the blue down.

Here's a 93 NCSHP unit that turned up at Foxtoberfest this year. It took a while to post in the Project because the photos were formatting at 90 degrees off, and it is a PITA to fix those.

http://www.specialservicemustang.net...info198407.htm

You may recognize some folks/cars in the background of the last photo. ;)