I see two distinctly different squad names. Nothing stolen here... So what's so funny?
Since the 357th is such a well known for real historic P51 fighter Group called the Yoxford Boys, that flew Mustangs exclusively in combat, it just might make sense to come up with a different number to go with flying Jugs.
358th FG flew Jugs exclusively in the ETO with the 9th AF. That might work