e > 38 ‘eal: project 6h = ==90F TESTING ON AW SHIP COUNTERMEASURES Projesst C-“Ticer - G. G. Molumphy, CAPT, USN . = General . - As i= the —srevious test, YAG 39 was manned by a special primary = "board USS Baic~oko. Operations for this shot were completely successful. _$pacing between the -vessels varied somewhat more than during the previous ea “test, but was zeners—ly within 3,000 yards. Ships! courses are shown in Pig. lt 6s4-1. S2ak come rates on YAG hO were within the desired range. After teh . . | "Tecovery, the ships were returned to Parry where survey, and recovery of , _atreraft, games, aozd recorded data were accomplished. ae et Qamma Instrume--tation Con=inuoc= gamma radiation measurements were recorded far the “@aze stations as ix mrevious tests. were in operacion. ele performace. All 137 stations with 427 detectors Of these, approximately 50 detectors were of question~ <There were no detector failures noted during the first 4 16 OF “Ope: “yt 5 Washdowrz ASSNdOwrE This tess should yield fair values of washdown effectiveness even “tough the twecs shicss seem to have received different amounts of fallout. T@ masthead statics mee received similar treatment, i.e., no dome wash was . _#d on eithesr shis., and it is estimated from their data that YAG 39 re“@ived about 2.6 ti-mes as much contamination as YaG LO. t t As Wilized =n the ro LORRITE mete RYNIa ae re atiN ne se ARRAY ‘oe 100 hours, The factor 1.6 zstimation of washdown effectivencss. A znipwice average of washdown effectiveness on similar surfaces az a fiunctic— of ti-m2 is presented in Fig. 6.h-2. COPIED/DOE LANL RO” QWs. -A4- ‘ow . control party seceiz—ng course instructions from a secondary control party