US 1950’S ERA AIR FORCE OFFICERS BLUE GABERDINE SIZE 7 “CRUSHER” VISOR HAT WITH FLEXIBLE LEATHER VISOR, SWEATBAND IS HM’ED “FLIGHT ACE” , NAMED WITH SERIAL # IN SWEATBAND

“ARMY AND NAVY INFORMATION”, BY MAJ. D.W.C. FALLS, PUBLISHED BY E.P. DUTTON & CO., 1917, 195 PAGES, AUTHOR TRIED TO EXPLAIN TO RECRUITS, ON BEING PREPARED JOINING THE SERVICE’S, ILLUSTRATED, ALSO HAS ADVERTISEMENTS IN THE BACK OF MANUAL, VG/FINE