15236
The remaining intact F-14 aircraft in the U.S. were flown to and stored at the  309th Aerospace Maintenance and Regeneration Group  Boneyard at Davis-Monthan  Air Force  Base Arizona before being shredded to prevent any components from being acquired by Iran .
 subsidiaries: 309th Aerospace Maintenance and Regeneration Group, Air Force
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 subsidiaries: 309th Aerospace Maintenance and Regeneration Group, Air Force