Statements by the Chief of the General Staff of the Argentine Air Force regarding the Magellan Strait have sparked a new controversy with Chile, though questioning Chilean sovereignty is not unprecedented from Argentina. This incident follows previous disputes over the waterway's ownership. The Magellan Strait holds significant strategic importance as a maritime passage. However, existing treaties firmly establish that the Magellan Strait is Chilean territory. Fact-checking analyses detail past controversies and highlight the legal basis supporting Chile’s claim to the Strait. The dispute continues to test relations between Argentina and Chile despite established international agreements.