3789
In December 1937 , he took Command of AS 88 , an anti-shipping unit in the Condor Legion and specialized in that type of aerial warfare .
 organization: Condor Legion
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: Condor Legion