TEST SAMPLE vintage USAF flight jacket. BLUE, L-2 style. Summer Weight. COOLEST! | eBay,US Air Force 1960s Baby Blue Experimental Test Sample Officer's Flight – The Major's Tailor,Original USAF Cold War 1960s Named Experimental Test Sample L-2 Flight – International Military Antiques,US Air Force Type L-2A Flight Jacket,60's USAF L-2A フライトジャケット