7 pages of secret U. Army Air Forces letter dated September 13, 1944, concerning the installation and maintenance priorities of AN/APS-15 radar equipment for B-29 heavy bomber groups in the X and XIV Air Forces. Great for any WW2 collectors these are all original papers.

10 page document is a confidential WWII military report dated May 16, 1945, from the 7th Bombardment Group (H) AAF Office of the Radar Officer regarding AN/APS-15A and AN/APQ-5B training and maintenance. Details the training of personnel on X-band radar equipment, equipment acquisitions, and aircraft conversions like a B-24/H2X pathfinder plane installation.