Mezue ahịrịokwu na-esonụ: N'ọrụ ya dị ka onye ndu nke Coast Guard Reserve, na mbido afọ 2011, o kwupụtara atụmatụ iji bulie ndị ọrụ nchekwa Coast Guard Reserve ruo 8,100 site na ndị ọrụ nchekwa 7,600 dị na 2010; ihe kpatara ya bụ ahụmịhe ya na ndị ọrụ nchekwa.
"Deepwater Horizon" Oil Spill, n'oge nke ndị nchekwa ụsọ oké osimiri na-alụ ọgụ na ndị ọrụ nchekwa ezughi oke iji kwado ndị ọrụ ọrụ.