Evidence from credible sources supports the statement as accurate. Learn more in Methodology.
Public record (remarks, transcripts, or NATO statements) confirms the NATO Secretary General or NATO officials explicitly stated that NATO would defend the United States if it were attacked, or that NATO invoked Article 5 in analogous commitments.
NATOs founding North Atlantic Treaty (Article 5) commits members to treat an armed attack on one member in Europe or North America as an attack on all and to "assist the Party or Parties so attacked" (including use of armed force as each deems necessary). NATO and its Secretary General have repeatedly reaffirmed that the Alliances collective-defence commitment covers all Allies, which by treaty language includes the United States when it is the target of an armed attack on its territory or covered forces. Verdict: True — the claim reflects NATOs Article 5 collective-defence commitment and repeated public statements by NATO leadership, but this commitment is subject to the treatys geographic/technical scope and to each Allys individual choice of "such action as it deems necessary."