Vintage. 

United States Air Force. 
Combat Control School Instructors T-Shirt. 
Made & printed in the USA. 
Circa 1980. 
Printed on a stock single stitch Russell T-shirt. 
Crew neck. 
Double print. 

Size: Label reads large. 
Measurements
Armpit to armpit: 23". 
Nape of the neck to hem: 26".