A Pair of Cuba-Destined Humanitarian Sailboats Listed Lost after Setting Sail from Mexico.

A comprehensive rescue and recovery mission is currently ongoing in the Caribbean region for a pair of missing sailboats transporting humanitarian supplies journeying from Mexico to Havana.

Naval Rescue Efforts Deployed

Mexico has sent naval teams and military search aircraft to search for the two vessels, which were had on board no fewer than nine sailors, per a navy statement.

The vessels had been expected to arrive in Cuba's capital on Tuesday or Wednesday, but there has been no communication from them and no confirmation of their docking, authorities reported.

Context of Aid to the Nation

The island nation has leaned on humanitarian shipments from Mexico over the past few weeks, as the nation struggles through multiple national electricity failures.

"Both crews and captains are experienced sailors, and the two ships are fitted with proper safety systems and signalling equipment," an official involved in the effort said.

The nine individuals on board are nationals of Poland, France, Cuba and the US. Mexico said it has established contact with maritime rescue coordination centres from the involved countries along with their diplomatic representatives.

"The group is co-operating fully with the relevant authorities and are still optimistic in the ability of the crews to reach Havana safely," the statement continued.

Previous Aid Shipment

Earlier in the week, the government in Havana warmly welcomed and officially received a separate vessel that had carried 14 tons of relief supplies to the island.

That vessel, dubbed "a modern Granma" following the name of the vessel in which Fidel Castro came back to Cuba to launch the armed struggle in the 1950s, delivered solar equipment, pharmaceuticals, baby formula, cycles and foodstuffs.

Larger International Climate

Non-governmental organizations and volunteers have been at the forefront of efforts to deliver essential supplies to Cuba beginning in January, when a oil sanctions on the country was initiated.

The United Nations have since highlighted ""critical" lack of essential goods, with more than 50k surgeries cancelled in Cuba amid electricity supply constraints.

Foreign policy tensions have increased over the past months, with comments from different officials highlighting the delicate state of relations.

In response to recent statements, a prominent Cuban official stated firmly that "the governance model of Cuba is not up for negotiation."

Accounts suggest that initial phases of negotiations commenced, although their current progress remains not publicly known.

The maritime authorities affirmed it was pledged to using the full extent of its capabilities at its reach to find the vessels and secure the security of the sailors.

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