Ms. Burns-- One of my correspondents, who has far greater depth of research material in the history of the 101st Airborne than I, has written to me the following:
"I have Mr. Davidson as being a member of HQ Company of 3/506th. He was actually killed in Holland on the 19th of September in Eindhoven."
Another correspondent wrote that his materials showed Private Davidson as having an Army Serial Number beginning with the numbers 15.This would indicate that he was (1) enlisted, rather than drafted, and that he was from the geographic area (5) that includes Ohio, Indiana, Kentucky and West Virginia.
Per you initial posting, Bastogne is situated in Belgium and was the scene of the now famous engagement which occurred 17DEC44-midJAN45.If my correspondents are correct, your great Uncle was lost on 19SEP44, the second day of Operation Market-Garden, the Invasion of Holland, popularized in the book/film A BRIDGE TOO FAR.