This is the 18th FS Flagship from 2006-2008ish.
For almost 2 years, Iceman 1's tail flash was changed to have a yellow, blue, and red stripe on the tip of the tail.
This skin is meant to go with the 18th FS Blue Foxes skin here -
https://www.digitalcombatsimulator.com/en/files/3320233/
Reference pictures in screenshots