Two Cuba-bound Humanitarian Vessels Declared Unaccounted For following Setting Sail from Mexico.

A large-scale search and rescue operation is currently in progress in the Caribbean waters for a pair of missing sailboats carrying humanitarian supplies traveling from Mexico to the island of Cuba.

Military Search Efforts Launched

The Mexican government has dispatched naval teams and military search aircraft to locate the two vessels, which were transporting no fewer than nine total personnel, per a navy statement.

The ships had been projected to reach Cuba's capital on Tuesday or Wednesday, but there has been a complete lack of contact from them and zero verification of their arrival, the navy said.

Background of Humanitarian Support to the Nation

The island nation has relied heavily on humanitarian shipments from Mexico over recent weeks, as the country struggles through multiple nationwide blackouts.

"Both captains and crews are veteran seafarers, and the two ships are fitted with suitable navigational gear and communication devices," a spokesperson associated with the mission commented.

The nine-person crew are nationals of Poland, France, Cuba and the US. Officials said it has opened communications with maritime rescue coordination centres from the involved countries along with their diplomatic representatives.

"We are working closely with the officials and are still optimistic in the ability of the crews to reach Havana safely," the spokesperson added.

Previous Relief Shipment

Earlier in the week, the Cuban government warmly welcomed and officially received another boat that had delivered 14 tons of humanitarian aid to the country.

That boat, called "a modern Granma" in reference to the vessel in which Castro landed in Cuba to begin the armed struggle in the 1950s, delivered photovoltaic panels, drugs, infant formula, cycles and food.

Broader Political Climate

Non-governmental organizations and volunteers have been at the forefront of attempts to bring essential supplies to Cuba since January, a period which saw a fuel embargo on the country began.

Global bodies have since highlighted "dire" shortages of supplies, with in excess of 50,000 operations called off in Cuba because of electricity supply constraints.

Diplomatic pressure have intensified over the past months, with statements from several officials highlighting the delicate situation regarding bilateral relations.

Responding to previous proposals, a senior official from Cuba stated firmly that "the governance model of Cuba is non-negotiable."

Accounts suggest that early stages of negotiations commenced, although their current progress remains unclear.

The maritime authorities affirmed it was committed to using every available asset at its command to discover the boats and secure the safety of the sailors.

As of now, there has been no public statement on the disappeared vessels by the Cuban leadership.