Two Cuba-bound Relief Vessels Declared Missing after Departing the Coast of Mexico.

A extensive search and rescue effort is presently under way in the Caribbean waters for a pair of lost sailing vessels loaded with relief goods en route from the Mexican coast to the island of Cuba.

Naval Search Efforts Deployed

Mexico has sent naval teams and military search aircraft to search for the missing boats, which were carrying a minimum of nine total sailors, per a navy statement.

The ships had been scheduled to arrive in the Cuban capital on the early part of the week, but there has been radio silence from them and no official word of their safe arrival, authorities reported.

The Situation of Relief to the Island

Cuba has relied heavily on aid convoys from Mexico over the past few weeks, as the island struggles through repeated national electricity failures.

"The captains and crews are seasoned mariners, and both vessels are outfitted with proper safety systems and signalling equipment," a representative associated with the mission stated.

The nine crew members are citizens of Poland, France, Cuba and the US. Officials said it has opened communications with rescue coordination centers from each country along with their embassy officials.

"Our team is working closely with the officials and remain confident in the ability of the crews to reach Havana safely," the spokesperson added.

Earlier Aid Shipment

Earlier in the week, the Cuban authorities publicly celebrated and warmly received another boat that had delivered a significant amount of relief supplies to the island.

That ship, nicknamed "a modern Granma" following the name of the yacht in which Fidel Castro landed in Cuba to start the Cuban Revolution in the 1950s, carried solar equipment, medicines, formula milk, cycles and provisions.

Larger Political Climate

Non-governmental organizations and volunteers have primarily led initiatives to deliver critical assistance to Cuba beginning in January, when a fuel embargo on the Communist-run nation was initiated.

The United Nations have since raised alarms about "dire" supply shortages, with more than 50,000 surgeries cancelled in Cuba because of electricity supply constraints.

Political pressure have been ramped up over the past months, with statements from different officials emphasizing the complicated situation regarding bilateral relations.

Reacting to recent comments, a senior Cuban official stated firmly that "the governance model of Cuba is not subject to discussion."

Accounts suggest that initial phases of discussions had begun, although their present status remains not publicly known.

The naval forces affirmed it was dedicated to using the full extent of its capabilities at its command to find the boats and ensure the well-being of the sailors.

At this time, there has been no official comment on the disappeared vessels by the Cuban government.