Hmmm
Pug. But you describe "regions" of airflow, of course airflow has different velocities as it transits the Airframe. The airframe has one single velocity because it is a solid, and cannot by definition have more than one. I read your "parts of the fighter" as implying there was a possibility of a plural Mach value. That is by definition ridiculous. Do I misunderstand your reply? I don't find the "plural value of Mach" addressed in it relative to the A/C, not the Airflow.
Airfoil
Aside. How can Mach 1 be "About Mach 1.5"?