A Pair of Cuba-Destined Relief Sailboats Listed Unaccounted For after Departing Mexico.

A comprehensive search and rescue operation is currently in progress in the Caribbean region for a duo of missing sailboats carrying humanitarian supplies en route from Mexico to Cuba.

Maritime Search Efforts Launched

Authorities in Mexico has dispatched navy personnel and search planes to find the two vessels, which were had on board a minimum of 9 crew members, per a military release.

The vessels had been projected to arrive in Havana on either Tuesday or Wednesday, but there has been no communication from them and zero verification of their safe arrival, the statement clarified.

Background of Relief to Cuba

The Caribbean nation has depended significantly on humanitarian shipments from Mexico over recent weeks, as the island grapples with multiple nationwide blackouts.

"The skippers and their teams are seasoned mariners, and both vessels are equipped with proper navigational gear and communication devices," an official associated with the mission said.

The nine individuals on board are citizens of Poland, France, Cuba and the US. Mexican authorities said it has established contact with rescue coordination centers from each country along with their diplomatic representatives.

"We are co-operating fully with the officials and continue to be hopeful in the ability of the crews to make it to Cuba without incident," the official further stated.

Recent Humanitarian Mission

Earlier in the week, the government in Havana warmly welcomed and warmly received another boat that had delivered 14 tonnes of relief supplies to the country.

That ship, nicknamed "a modern Granma" in reference to the yacht in which Fidel Castro returned to Cuba to begin the Cuban Revolution in the 1950s, brought photovoltaic panels, pharmaceuticals, baby formula, bikes and food.

Broader Geopolitical Climate

Non-governmental organizations and volunteers have been at the forefront of attempts to deliver essential supplies to Cuba since January, coinciding with the time a oil sanctions on the island nation was initiated.

Global bodies have since highlighted ""critical" shortages of supplies, with in excess of fifty thousand surgical procedures called off in Cuba amid power shortages.

Diplomatic tensions have intensified lately, with remarks from various representatives emphasizing the complicated nature of relations.

Reacting to previous comments, a high-ranking Cuban official stated firmly that "the governance model of Cuba is non-negotiable."

Reports suggest that early stages of negotiations commenced, although their present status remains not publicly known.

The maritime authorities said it was committed to using all of the resources at its reach to find the sailboats and guarantee the security of the sailors.

As of now, there has been silence on the disappeared vessels by the government in Havana.