William E McCallister served his country in World War II with the 490th Bombardment Group .
The information on this page about William McCallister has been obtained through a possible variety of sources incluging the serviceman themselves, family, copies of military records that are in possession of the Army Air Corps Library and Museum along with data obtained from other researchers and sources including AF Archives at Air Force Historical Research Agency and the U.S. National Archives.
This information is by no means complete; we are adding information based upon documentation in our possession including digital copies. We will continue to add to this material as it becomes available.
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