islands from.north through east-northeast were used for the tests tllemselves. The principal base islands were Enewetak, which bordered t Passage, and Parry, northeast of Enewetak, which bordered the Deep age. Wide Wass- These two islands account for about 30 percent of the atoll's Pland area, Parry and Enewetak had been densely populated during IVY, serving as the home and working facilities for Joint Task Force 132 predecessor of JTF 7) except for the Air Force task group those living aboard ships. (JTF 132) (TG 132.49 Included in the working facilities was Field occupying the southern end of Enewetak. the and dn air- Shops, warehouses, ldbora- tories, and living space occupied most of the rest of the island's drea. An aerial view of Parry is shown in Figure 4, and typical Enewetak Jliving Shelters are shown in Figures 5 and 6. In preparation for CASTLE, deveral important additions and improvements were made at Enewetak. The first was the construction of a device assembly area on the fsouthern end of Parry Island. The assembly area provided a specially sequred, aa } Yale Figure 4. Aerial view of Parry during CASTLE. 43