Tit 156 controlling the A4GD (BARLsY) effects aircraft malfunctioned until H-30 minutes, Communications also were satisfactory, the voice count-dowa showing considerable improvement over that of the previous day, WAHOO. On 16 May at 1300 hours WAHOO was fired, after one delay. This was an underwater shot, detonated at a 500 foot depth on the ocean side of sniwetok Atoll near IRWIN Island. wAHOO was Eleven aircraft were scheduled and participated in the event, of which there were no effects aircraft.2© Three samplers took part.2? Air Operations Center and commnications facilities performed without incident. HOLLY. The HOLLY shot was fired without delay on 21 March 1958 at 0630 hours, from a barge installation at YVON«E Isiand, Kniwetok Atoll, Only 7 aircraft were originally scheduled for the mission; however, a P2V (WILDROCT), staging from Kwajalein, was added for a post—shot radiation safety survey. were engaged, 19 No effects aircraft participatea,2& but five samplers No aborts or cancellations occurred, and air control was performed normally. Communications were also satisfactory, although channel 5 was inoperative for approximately five minutes. ee HOLLY was a en pe nUTM2G. . oe a cnnell «0 aborts or cancellations were reported for tne .UTMnG shob at 0920 hours on 22 May 1958. T.iis suot had been delayed three times. AFWL/ HQ