CIL-10763 Received Fed 21, 1955 Giuliana PRIORITY FROM JAMES REEVES TEST MGR CONTL TEST OPNS USAEC MERCURY NEVADA TO ZEN/USAEC DIVISION OF MIL APPL WASHDC/ATIN BRIG GEN K E FIELDS/ INFO ZEN/USAEC SANTA FE OPNS ALBUQ NMEX/ATIN D J LEEHEY/ ZEN/LOS”ALAMOS SCIENTIFIC LAB LOS ALAMOS NMEX/ATIN DR N E BRADBURY/ DIR UCRL LIVERMORE CALIF/ATIN DR HERBERT YORK/ ZEN/CHIEF ARMED FORCES SPECIAL WEAPONS PROJECT WASHDC ZEN/USAEC SAN FRAN OPNS OFF OAKLAND CALIF/ATIN H A FIDLER/ ZEN/CG FC ARMED FORCES SPECIAL WEAPONS PROJECT SANDIA BASE NMEX pi , DTG 1903017 FEB AEC GR340 ai DETONATED AT ELEVEN CLN FIVE NINE CLN FIVE NINE OINT TWO PST IN TEST AREA SEVEN FOUR FD DEVICE DROPPED FROM BAKER THIRTY SIX AIRCRAFT FLYING AT TWENTY THOUSAND TWO HUNDRED FEET MSL PD BURST HEIGHT SET AT EIGHT HUNDRED FEET ABOVE TARGET PD NOT YET VERIFIED BUT ACTUAL BURST APPROXIMATELY THIS POSITION PD ESTIMATED TIME OF FALL THREE ONE POINT FOUR SIX SECONDS PD ACTUAL TIME THREE ONE POINT SIX NINE SECONDS PD PLANNED DROP TIME ZERO SEVEN THREE ZERO PST BUT FIRE WHICH OCCURRED IN DROP AIRCRAFT ENGINE JUST PRIOR TO TAKEOFF REQUIRED TRANSFER OF DEVICE TO STANDBY BAKER THIRTY SIX (PAGE TWO) RESULTING ESTIMATED RELEASE TIME ‘ELEVEN THIRTY PST PD DURING THIS OPERATIONAL DELAY SPOTTY CLOUD CONDITIONS DEVELOPED NECESSITATING TWO NEGATIVE RUNS PRIOR TO DROP TIME PD DROP MADE ON THIRD PASS OVER TARGET PD ESTIMATED YIELD ONE OR TWO KT PD TOTAL OF TWENTY EIGHT EXPERIMENTAL PROJECTS PARTICIPATED IN MILITARY EFFECTS CMM CIVIL EFFECTS CMM AND LASL DEVELOPMENT PROGRAMS PD NO UCRL PARTICIPATION PD PRELIMINARY REPORTS INDICATE GOOD DATE OBTAINED ON CIVIL EFFECTS AND MILITARY EFFECTS TESTS PD VERY PRELIMINARY RESULTS OF LASL DEVELOPMENT™TESTS ALSO INDICATE SATISFACTORY RESULTS PD DUE TO FACT THAT POSSIBILITY EXISTS TO DETONATE TURK AT ZERO FIVE FOUR FIVE PST FEBRUARY NINETEEN NO FURTHER ANALYSIS MADE AND ALL EFFORT DIRECTED TOWARD PREPARATION FOR TURK PARA FOR REASONS OF SAFETY DESERT ROCK DID NOT PUT TROOPS IN TRENCHES PD APPROXIMATELY ELEVEN HUNDRED TROOPS OBSERVED DETONATION FROM NEWS KNOB PARA METEOROLOGICAL CONDITIONS CLN A. WINDS CLN SURFACE NORTHWEST AT SIXTEEN KNOTS CLN TEN THOUSAND FEET NORTH NORTHWEST AT THIRTY SIX KNOTS CMM TWENTY THOUSAND FEET NORTHWEST AT NINETY TWO KNOTS PD B. -CLOUDS CLN SEVEN TENTHS SIROTOCUMULUS AT FIVE THOUSAND FEET LEVEL PD C, PRECIPITATION CLN NONE RADIOLOGICAL PATTERN CLN NO SIGNIFICANT OFFSITE FALLOUT PD HIGHEST (PAGE THREE ) READINGS FIVE POINT FIVE MILLIROENTGEN AT AZIMUTH ONE HUNDRED SIXTH DEGREES CMM DISTANCE EIGHTY MILES FROM YUCCA FLAT AT THREE AND ONE HALF HOURS PARA OFFSITE MICROBAROGRAPH READINGS INDICATE NO DAMAGING EFFECTS PD REF TM/WWA 1 TTR NR S-134 }- eae - —— vo OT — i eens i i TIT TTT a —— tA 4 a). END MESSAGE { ae = ee eee BT TOT ms hort ( Do ta, ee es pe ee ee ee mp ie ep