A ranar 4 ga Mayu, 1955, ƙungiyar binciken ta isa Lake Groom kuma ta rataye ƙafafun ƙafa 5,000 (1,500 m), arewa-maso-yamma a kusurwar kudu maso yamma da kuma NTS kewaye, kimanin kilomita 100 (160 km) arewa da Las Vegas, sun kare wurin gwajin daga baƙi. CIA ta nemi AEC ta sayi ƙasar, wanda aka sanya "Yankin 51" a kan taswirar, kuma ta ƙara shi zuwa Nevada Test Site. Johnson ya kira yankin "Paradise Ranch" don ƙarfafa ma'aikata su matsa zuwa wurin da tarihin CIA na aikin U-2 zai bayyana a baya a matsayin "sabon kayan aiki a tsakiyar babu inda"; sunan ya ragu zuwa "The Ranch".
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