Ku qor sii socodka faqradan - Saldhigga Nukliyeerka ee Saddexda Mile Island (TMI) waa warshad nukliyeer oo xiran oo ku taal Saddexda Mile Island ee Londonderry Township, Pennsylvania, oo ku taal Webiga Susquehanna ee koonfurta Harrisburg. Waxay leedahay laba unug oo kala duwan, TMI-1 (oo ay leedahay Exelon Generation) iyo TMI-2 (oo ay leedahay FirstEnergy Corp). Warshadani waxay ahayd goobtii shilkii ugu weynaa ee ka dhaca ganacsiga tamarta nukliyeerka ee Maraykanka
markay dhacday 28-kii Maarso, 1979kii, in qaybta dayax gacmeedka ee TMI-2 ay si gooni ah u burburtay. Sida laga soo xigtay warbixinta Guddiga Xakamaynta Nukliyeerka (NRC), shilku ma keenin dhimasho ama dhaawac shaqaalaha warshadda ama bulshooyinka ku dhow. Daraasadaha cudurrada faafa ee dabagalka ah laguma xiriirin wax dhacdooyin ah oo kansar ah shilka.