USAF Bernard Hat Cap Shade 1625 Navy Blue 7 1/4 Air Force Service Uniform Dress | eBay
U.S. Army Air Force (AAF) Cadet Hat, Dark Khaki – SL Revival Co.
Air Force One Presidential Crew Cap, Made in the USA Hat with USAF Chevrons, American flag embroidered on side, Navy blue structured cotton, from Official White House Gift Shop
U.S. Air Force Baseball Cap – National Archives Store