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Lockheed had experience in this field due to developing the Lockheed A-12 and SR-71 , which included a number of stealthy features , notably its canted vertical stabilizers , the use of composite materials in key locations , and the overall surface finish in radar-absorbing paint .
 organization: Lockheed
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Lockheed