Project 9,1 ~ Technical Photography - Lt Col J. G, James Three RB-50 aircraft of Project 9.1 participated on this event, Carter 1 and 2 in east and south quadrants respectively attempted cloud photography at 25,000 feet but natural cloud obscuration plus heavy icing conditions prevented satisfactory photographic runs, aircraft was aborted at H + 15 minutes, Mission for both Carter 3 at 20,000 feet 50 nautical miles west from ground zero, expericnced fair photographic conditions until H + 7 minutes. Mission was aborted at that time due to unfavorable weather conditions, Carter 1 conducted a crater survey and damage survey on D + 1, on ~ 56 - ys oa Photography on this mission is excellent,