Here are a number of sites, resources that as an enthusiast, WW historian, serviceman or family member of the 1st Fighter Group you might enjoy and find relevant.
Army Air Corps Library and Museum
AACLM: 1st Fighter Group
US National Archives
Air Force Historical Research Agency
An Escort of P-38s: The 1st Fighter Group in WW II - Book
1st Fighter Association
Archival Combat Film Footage DVD of the 1st FG.
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