Vintage Original Korean War Era Monarch J-7823 G-1 Flight Jacket Usn Name Pins

I have a nice used SIZE 42 VINTAGE ORIGINAL KOREAN WAR ERA MONARCH J-7823 G-1 FLIGHT JACKET USN with pilot name and pins, I DO NOT KNOW HISTORY OF THE NAME TAG OR PINS. THE NAME TAG LOOKS LEATHER WITH VELCRO ON THE BACK AND SEWN ON JACKET, NEITHER OF THE PINS ARE SILVER. Some wear marks from use, top inside liner has come unstitched as shown in pictures, looks like most of the fabric is still there. CHEST SIZE (PIT TO PIT FRONT ONLY) 21 INCHES. LENGTH (TOP OF COLLAR TO BOTTOM OF JACKET) 30 INCHES. SHOULDER SEAM TO SEAM 19 INCHES. SLEEVE (SHOULDER TO END OF CUFF) 25 INCHES.