(Source: http://history.nhq.cap.gov/from_the_cap_historical_research.htm)
From the CAP Historical Research Department
LTC Allan F. Pogorzelski, CAP and LTC Axel I. Ostling, CAP
Additional research indicates the following source. The book is "Jeeps in the Sky" (the story of the light Plane) written by Lt Col Andrew Ten Eyck with a forward by Colonel Robert L. Scott, Jr. for AFIPR, Headquarters Army Air Forces. The copyright is 1946 by Army Air Forces Aid Society, First Printing in the U.S.A. by the Tenny Press.
Page 27....
" Although the victory against the submarine was a joint operation of the Army, Navy, Coast Guard, and the CAP, it is a fact that the U-boats disappeared in direct proportion to the spread of CAP operations. The Berlin radio commenting on the dwindling effectiveness of its underseas campaign, complained of the unexpected appearance of the fleets of civilian aircraft as the main hazard which forces the U-boats out of our coastal waters. "
I would submit this information written in 1945-46 as direct source information source.
The picture is from the CAP Carroll Composite Sqdn Web Site.
