Mezue ahịrịokwu na-esonụ: USNORTHCOM's Area of Responsibility (AOR) na-agụnye ikuku, ala na mmiri na-abịaru nso ma na-agụnye mpaghara United States, Canada, Mexico na mmiri gbara ya gburugburu ruo ihe dịka. Ọ gụnyekwara Ọwara Oké Osimiri Mexico, Ọwara Oké Osimiri Florida, akụkụ nke mpaghara Caribbean iji tinye Bahamas, Puerto Rico, US Virgin Islands, British Virgin Islands, Bermuda, na Turks na Caicos Islands. Onyeisi USNORTHCOM bụ onye na-ahụ maka mmekọrịta nchekwa na Canada, Mexico, na Bahamas. N'ọnwa Mee afọ 2011, NORTHCOM kpọkọtara ndị agha n'ihi ọgba aghara ahụ.
Mmanụ a wụfuru na BP n'Ọwara Oké Osimiri Mexico iji nye nkwado ikuku, ala, na ngwa agha. N'ọnwa Ọktoba 2014, NORTHCOM weghaara nchịkwa nchịkwa nke Alaska Command.