. . . . . "The A-3 lifeboat was an airborne lifeboat developed by the EDO Corporation in 1947 for the United States Air Force (USAF) as a successor to the Higgins Industries A-1 lifeboat. The A-3 lifeboat was a key element of \"Dumbo\" rescue flights of the 1950s."@en . "160"^^ . . . . . . . . . . . . . . . . . . "15544971"^^ . . . . . . . "4"^^ . "The A-3 lifeboat was an airborne lifeboat developed by the EDO Corporation in 1947 for the United States Air Force (USAF) as a successor to the Higgins Industries A-1 lifeboat. The A-3 lifeboat was a key element of \"Dumbo\" rescue flights of the 1950s."@en . . . "1034610568"^^ . . . . . . . . "2"^^ . . "3"^^ . . . . "2018-09-03"^^ . . . . . . . . . . "20.0"^^ . . . . . "5672"^^ . . "A-3 lifeboat"@en . . . . . . .