USS AKRON AIRSHIP Disaster (ZEPPELIN) IN MEMORIAM 40th Anniversary Set of 3 different 1973 Cacheted Covers
40th Anniversary 1933 -1973 Postmarked on May 30 1973 3 Different Postmarks : Lakehurst , Beach Haven and Barnegat New Jersey Great Condition ,Cacheted and Unaddressed. **** USS Akron (ZRS-4) was a helium-filled rigid airship of the U.S. Navy, the lead ship of her class, It operated between September 1931 and April 1933. She was the world's first purpose-built flying aircraft carrier, carrying F9C Sparrowhawk fighter planes, which could be launched and recovered while she was in flight. Overall length of 785 ft . Akron and her sister ship Macon were among the largest flying objects ever built. Although LZ 129 Hindenburg and LZ 130 Graf Zeppelin II were some 18 ft longer and more voluminous, the two German airships were filled with hydrogen and so the US Navy craft still holds the world record for helium-filled airships. *** Initially there are 5 Sets of 3 Covers available *** The ONLY difference between sets are the exact position of the postmarks FREE shipping in the US
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