<prompt> Bhala ukuqhubeka kwalesi sigaba - Kusukela kwasungulwa, i-AFNSEP iye yasekela izinhlekelele ezinkulu ezingaphezu kuka-125, kuhlanganise nokuchitheka kukawoyela i-Exxon Valdez ngo-1989  <response>: , imililo eminingi yaseCalifornia, inhlekelele ye-Space Shuttle Columbia, iziphepho eziningana ezihlanganisa u-Andrew noKatrina, nokusiza iziphepho kulo lonke elase-United States nasesifundeni sasePacific. 