A 1 September 1959 memo from Walt Gibbons to Myron Knzpp covers the yields Cannesnese ree NRENNeee of the Mark device. It is noted that most of the CONCERTO events and some of the Plowshare events will involve Mark adjusted, and that the Gibbons s with their yield appropriately NF are identical hydrodynamiically. gives a detailed list of the various configurations of the Mark VII which have been tested, retired, or put in war reserve and details of the tests; he notes that LASL has expressed confidence that the adjusted yields will be quite reliable even in the low-yield range. M & R Records Center 35 Advanced Research Projects Agency, up to 12/31/63" Folder Many of the items in this folder are cross-referenced to two other folders; 71.5 high altitude nuclear effects" and "310.1 UAP group." N i/ In our files these are Q,andy. There is a fair amount of confusion inSeptember of 59 as to which agencies are sponsible for which areas of test detection and who is working with whom. e@ arrangement is something like: LASL, Sandia, and ABMA are working under ARPA pervision in the high altitude field; and Livermore is working with STL the underground area. Apparantly, This could be entirely wrong. |

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