22 Dec. message from Betts to labs, operations offices, et al requests “comments and recommendations Concerning detonation of underg round shots SO as to form high chimneys and pro duce Slight intentional ven ting as a means of reduci ng Cunel contamination." HP He notes 5s pecific questi ons as to overburden criter ia, assurance of reduced con tamination, ete, A 22 December 61 memo fron Swihart of J-15 to Graves indicates that the FISHER eet] shot was the first one to use the Shoc k time of arrival technique for hydr odynamic yield determination. j N A 22Dec.Memo from Col. Banks of DMA to a Mr. Holland of the PaltoutStudies Branch of the Div. of Biology and Medicine in the BC none re useful to details of the planned atmospheric test operation whic noneona "Among you in your planning investigations of various tattout pn eetations other things, Col. Banks notes that there are a rota of : about wee scheduled between April 1 and June 15 and that of t . ts’ and are surface currently planned as airdrops, 2 ave highaltitude shots| that the airdrops nge of yie te te be conducted 400 niles South of Oahu with shots schedutee 2p OUies uniformly throughout the test period. | ine high aotee Snes a With 400 Kilowetere with a yield of a yie . . .. and are seneeuiee tobe performed between May 15 and June 15 from Johnston Island, me fond a 2 kt shot at which he notes are to be a 165 kt shot at Jarvis oo vtares that the NTS. Further, for the assistance of Mr. oar oon contacted zelative Bob Goeckermann of LRL and George Cowan of LASL ha to attending a meeting to discuss fallout phenomena. ™= 23 December TWX from DASA Annex ( figuration is considere d a good substitut € and has certain communica tions and radar capabilit Furthermore, y and can be available to the AEC at a cost at of $3,000 per day. Libert y class hulls can be obt ained from the Maritime administration at no cost but DASA nee ds to know how many, wha t d ates, and where the y are to be delivered. The hulls are jn good con dition for a long tow at 4 knots,which wil] require 25 days tow fro m San Francisco to Pear| » and DASA needs to hav e the information =20 - as soon as possible to request them from the Secretary of Commer ce and request that Schuster and Ogl e be prepared to discuss the se two problems at the 27 December conference in Washin gton. Cu

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