Uncle Bob I got an answer from the AFHRA/RSA but it is on 16mm microfilm reel.
Contains Historical report of HDQTRS & HDQTRS Squadron 22 Air Depot Grp in Duplicate. Dates jan 1946, Mar 1946 &n Apr 1946. Means 3 reels.
Thanks for the lead. check message #15721 if wonding what it is about.