316857
This airport was used mainly for military purpose , serving helicopters , L19 , OV10 , Dakota , C130 and some other kind of fightfighters .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None