3675
It remained on defensive duties in Scotland until  27 August 1940  when it moved on rotation to Southern England based with No 11 Group at  RAF Hornchurch  where it was operational from 27 August 1940 for the remaining months of the Battle of Britain .
 None
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:   
Answer:
 NA: 27 August 1940, RAF Hornchurch