<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-October 31, 1956, i-Sturtevant yangena e-Philadelphia Naval Shipyard ukuze iguqulwe ibe umkhumbi wokuqapha i-radar. Le nqubo yokuguqulwa yaqhubeka kwaze kwaba ngu-5 Okthoba 1957, lapho aphinde athunywa njenge-DER-239. NgoFebhuwari 7, 1958, wasuka ePhiladelphia, ePennsylvania, waya ePacific Ocean, wamisa eNewport, eRhode Island; San Juan, ePuerto Rico; Rodman  <response>: ePanama Canal Zone; e-Acapulco, eMexico; naseSan Diego, eCalifornia, ngaphambi kokufika ePearl Harbor ngoMashi 18. Ngemva kokuphothula ukuqeqeshwa okwengeziwe eHawaii, waba ngomunye wemikhumbi yokuqala yePacific Early Warning Barrier. 