Two Separate Cuba-bound Relief Ships Listed Unaccounted For after Departing Mexico.

A large-scale search and rescue effort is presently in progress in the Caribbean region for two missing boats transporting humanitarian supplies en route from Mexico to Havana.

Military Rescue Efforts Deployed

Mexico has sent naval teams and military search aircraft to search for the two vessels, which were carrying no fewer than 9 sailors, as stated by a navy statement.

The ships had been projected to arrive in Havana on either Tuesday or Wednesday, but there has been radio silence from them and no official word of their arrival, the statement clarified.

Background of Aid to the Nation

The Caribbean nation has relied heavily on humanitarian shipments from Mexico over the past few weeks, as the nation endures multiple power outages across the country.

"The skippers and their teams are experienced sailors, and the two ships are outfitted with suitable safety equipment and signalling equipment," a representative involved in the effort stated.

The nine-person crew are from Poland, France, Cuba and the US. Mexican authorities said it has been in touch with rescue coordination centers from each country along with their diplomatic representatives.

"Our team is co-operating fully with the relevant authorities and remain confident in the crews' ability to make it to Cuba without incident," the statement continued.

Previous Relief Shipment

Previously that week, the Cuban authorities warmly welcomed and greeted with fanfare a separate vessel that had carried a significant amount of humanitarian aid to the country.

That ship, dubbed "Granma 2.0" following the name of the vessel in which Castro landed in Cuba to start the armed struggle in the 1950s, carried photovoltaic panels, pharmaceuticals, baby formula, bicycles and food.

Larger International Backdrop

Non-governmental organizations and volunteers have been at the forefront of efforts to bring critical assistance to Cuba starting at the turn of the year, coinciding with the time a energy blockade on the Communist-run nation began.

International organizations have since raised alarms about ""severe" shortages of supplies, with over 50k surgical procedures postponed in Cuba amid electricity supply constraints.

Foreign policy tensions have been ramped up in recent months, with remarks from different officials underscoring the complex situation regarding diplomatic ties.

In response to recent statements, a high-ranking Cuban official stated firmly that "the governance model of Cuba is not subject to discussion."

Indications suggest that preliminary steps of discussions were initiated, although their current progress remains uncertain.

The maritime authorities said it was committed to using the full extent of its capabilities at its reach to find the boats and ensure the security of the people on board.

At this time, there has been no official comment on the lost ships by the Cuban leadership.