851
The airfield was used by the 310th Bombardment Group , flying B-25 Mitchell s from the field between 6 June and 5 August 1943 .
 organization: 310th Bombardment Group
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: 310th Bombardment Group