Continuation of the national emergency relating to Cuba, et al. : message from the President of the United States transmitting to continue the national emergency declared in Proclamation 6867 of March 1, 1996, in response to the Cuban government's destruction of two unarmed U.S. registered civilian aircraft in international airspace north of Cuba; a proclamation expanding the scope of the national emergency and invocation of emergency authority relating to the regulation of the anchorage and movement of vessels into Cuban territorial waters, pursuant to 50 U.S.C. 1601.