mperers 1 March 1954 re aaa Command Briefing, 1100, 28 Februsry 1954 mare y ye SUBJECT: gee MEMORANDUWZ FCR RECORD: Members present: Gen Clarkson, Gen iecGinley, Dr. Graves, Adm Bruton, Col Cowart, Lt Col Barbour (in lieu of CT 7.4) Capt Maynerd, Lt Col Bonnot, and Lt Col House. 1. In general, tne hodosraph gave a forecast surfece radex in tne low levels ( zero to 15,000 reat) at about 59 stiles in 6 hours, gensrally orientated to the west south west in. arpecrizate-~ ly a 30 dezree sector. In the high leveis, the radex gave a 6 hour pattern centered on approximately 65 desreés in a carrow cone approximately 20 degrees wide. 2. The 72-hour cloud trajectories indicated all leveis is @ narrow band generally 65 desrees true from ground zero except rere the 10,000 foot level moving generally east through north to west and a 60,000 foot level moving southwest and then west. RadSefe outlooks were given es follows: Bikini atoll: Favorable. be. Eniwetok atoll: ce Ujelang atoll: ad. Native atolls in southeast quadrant: e€. Control DDE: It was reccommended that the Costroii DIE f. ATF ani the Y4GS: Ape I a. Favorable. TP cs Very favorable. Neng renraTIET Very fevcretle. In gegeral, from ablut 3 minus 5 to ebdout E cinus 3 Lows s6 toe . GTFs and YaGs courses run approxisetely 25 to 20 siles 2rs5 Cs +28 e2se armed device and the £ir departs from @ positica ca tae low eltitude radax at epout E cinus 1$ nours to a posatics @; prez imately 35 miles south of ground cero st E pius 2. Tae movesests | of tae YAGS end ATF were presentec fo> wuavever consid.retica Bas was necessary in view of their close prozicity %O tae sevsce the radex. a * | courses fran about & minus 24 hours to = zlus 2 bours was isilceses. wey Tae plot or the Yess ani ac? PRT pe moved frum a position 90 miles Vest or Ground Zero to a pesi-~ tion 230 degrees True, 90 riles fraz Sround Zero. NTN9 YOREINCITS 3.