2603
Northrop had investigated several means of applying directional control that would infringe on the aircraft 's radar profile as little as possible , eventually settling on a combination of split brake-rudders and differential thrust .
 organization: Northrop
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: Northrop