The Goodyear ZPG-2 (formerly P2N) was an American helium-filled patrol airship first flown in 1953 that established a new endurancerecord by remaining in the air for 177 hours from May the 17th until May the 24th 1954. The ZPG-2 was 1046 cm long, 294 cm high and 230 cm wide and was powered by two Wright R-1300-2A Cyclone 7 engines. The ZPG-2 was in service with the US Navy during the 1950's. Research ZPG-2
 
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