+4, a - ce ls on p28EI LORE 4 @?7 7 es SECIRIEIN ORM He > no or“ue ae ae roxic EER 2G ‘32608aroTON | 7 oy 575 J-DIVISION ALAMOS SCIENTIFIC LABORATORY ‘URIVERSITY OF CALIFORNIA BesheaTorile Enercyat P. 0. BOX 1663 _ -20S ALAMOS, WEW MEXICO se Oe "28 Decezber 1952. a MEM Tr. Garrolt1 6 L tyler ‘Test Manager oo Tay Le , ‘ . FROME‘Test Director, J-Diviston, Wash ° ‘ : eSPecl L Re-Review 124358 _ FANBL ferenninagioy ATE: /-13-57/ SUBJECT|“OPERATION PIAR, CONTINENTAL ATOMIC TESTS, SPRING 1953" SYMBOL s -g-15202 1. | Tre —— oe LeBela Introduction _ Atomic tests currently planned for the Spring of 1953, to be com ee, tones at the Nevada Proving Grounds, are divided into two>Operas r, OnSe : . a By fet,omoftata code name UPSHOT, 12 of | _Ainterest to the Atomic ‘Rrergy Coumission and will consist of ‘gix detonations proposed by the Los Alamos Scientific Laboratory, Pols *“and two detonations proposed by the Radiation Laboratory, “) « :;: Livermore. These tests are concerned primarily with weapon deoS Velopment but will include weapon effects and civil effects a . et oS . tests, and hence have a secondary interest to the Departxent of _ Defenso and to the Federal Civil Defense Agency. Although no a _ formal request hes been received by the Test Director, plans have been discussed for participation by the Department of Defenze in several or all of these taste with an ‘operation designated as . Desert Rock Ve . be The esconi group of conte, edde nane STOTEOLE, has been requested by the Department of Defense, and d will Binet st ) of two detonations, "the first being an air burst of s Peo gapon accompanied ‘by a comprehensive progran of experimentation of primary interest to the Department 9 pelepg? and the second being a "proof-firing" 5 (air burst) of thdgRiiwegpon, elso accompanied by considerable experimentation of primary interest to the Department of Defense, Although no formal requests have been received by the Test Director, it is understood thet epartaent of the Army will conduct tactical maneuvers during prograte The Los oeSeitte Laboratory will make va‘alpha and yield measurements for Operation KNOTHOLE. ea " GLASEIFICATION CANCELLED ~ Ff This document consists of) ED 9