Table 53. Summary of the status of transient shipping in the Pacific Proving Ground area on or about 14 May 1954. Vessel] Location/Course USS Namakagon (A0G-53) ETD Enewetak 1200 on 13 May for Kwajalein USS Epping Forest (LSD-4) 9940'N, 172°10'E, 13 knots (24 km/hr), ETA Kwajalein 1200 on 14 May USS Apache (ATF-67) Departed Bikini 2200 on 13 May with YC-1081 in tow via route points 10955'N, 166°10'N, 175°E; thence great circle to Pearl Harbor, ETA 0800 on 25 May USNS Merrell (T-AKV-4) ETA Guam 15 May. Source: Reference 16. The forecast surface and air radex areas were issued as follows: Surface wise to to H+6, 10 nmi Radex. True bearing from ground zero 250° clock80°, radial distance 60 nmi (111 nmi) for H-hour plus a circular radex area around ground zero of (18.5 km) radius. Air Radex. For H+l, 10,000 feet (3.05 km) to 40,000 feet (12.19 km), 275° clockwise to 30° for a maximum distance of 15 nmi (27.8 km) from ground zero, 30° clockwise to 100° for a maximum distance of 35 nmi (64.9 km), and 1009 clockwise to 275° for a maximum distance of 5 nmi (9.3 km). For H+l, 40,000 feet (12.19 km) and up, 240° clockwise to 330° for a maximum distance of 25 nmi (46.3 km) from ground zero, 330° clockwise to 40° for a maximum distance of 15 nmi (27.8 km), 40° clockwise to 110° for a maximum distance of 60 nmi (111 km), and 110° clockwise to 240° ‘for a maximum distance of 15 nmi (27.8 km). For H+6, 10,000 feet (3.05 km) to 40,000 feet (12.19 km), 275° clockwise to 30° for a maximum distance of 70 nmi (129.6 km) from ground zero, and 30° clockwise to 100° for a maximum distance of 180 nmi (333.4 km). For H+6, 40,000 feet (12.19 km) and up, 260° clockwise to 300° for a maximum distance of 70 nmi (129.6 km) from ground zero, and 40° clockwise to 100° for a maximum distance of 300 nmi (555.6 km). A destroyer (the Epperson) was stationed near Ujelang Atoll to evacu~ ate the population there if necessary. The cloud-tracking aircraft were deployed to detect any movement of contamination toward Ujelang. 313