weet this combined requirenent standard armed ASY patrols were flown in the Denger Area throughout the Operation averaging one patrol every other night. In addition reconsaissancse flights were flown preceding and following shots, The reconnaissance patrols covered tuo eeators; the Danger Area, and the sector along the Dearing of the predicted path of the radiceative cloud, f.e. the significent sector. Initially the first recenneiesance flights took off from Kwajalein early en ehot day minus tve, Sne aireraft sonrohed the Danger Area continususly, relieving on station, until a few houre before shot tine. One aircraft searched the signifieznt eeator on ninus two day, returning to dbase upon completion of the search. This flight was re- peated on minus one day, A third eignificant sector search was mide by one alreraft on shot day, after the shot, if 14 was requested by GST? BLYEH, Thies was the generel pattern of flights conducted for the first shot, 13. As a rewult of the oontenination of the Japanese fishing vessel Lacky Pragon which was caught in the widespread BEAYO fallout despite ite position cuteide the predicted falleut area, the VFP-29 reconnaiseance tack was greatly increased on subsequent shote. ‘The Taivetok Isager Area, vhich before CASTILE had Been enlargeé to includes Bikini Atoll, wae further expanded, with a different area proscribed depending uperm whether the shot wae to cocur at Bikini or Eniwetok. The munder of alraraft to search the new arene was inerensed to three, The signifiosunt sector was mow te be searched by tuo alroeraft, bringing to a tetel of five the nunber of planes YP-29 had to put in the AFWU/HO