ships for several days primarily because all the support facilities had not been reactivated (IPO 132.1#2, MIKE Inst). Heres—agatnyInerets—1r0evidence-of—padtotogicatrisktopersonnetwo-returned-te-Medren. Although Enewetak and Medren were free of fallout, and water samples had revealed no contamination in the southern part. of the lagoon, the picture was exactly the reverse farther north. Thus, all traffic north of Medren had to be cleared through the radsafe control point in Building 57 on Medren (IPO 132#1, p. 281). Two days after the burst, final work for KING on Runit was possible for personnel based on Medren, and a hot lunch was served there from a Holmes and Narver chuckwagon. However, no one stayed there overnight (IPO 132.1#2, KING Inst). Lightly coqbamia ales Fallout on Task Force Ships At the time MIKE was detonated, the Horizon was standing by wave instruments at Seamount 72 approximately 72 miles (133 km) north of ground Zero. At 0745 the ship was ordered to get underway for a new position approximately 100 miles (185 km) north-northeast of ground zero. after reaching the new position the crew detected fallout. closed up, and the washdown system started. At 1240, The ship was The commander of the joint task force ordered the ship southward, and after about 2% hours of steaming at 11.5 knots (21 km/hr), the ship reported it was clear of the fallout. 5-26