Two Cuba-Destined Relief Sailboats Declared Lost following Leaving Mexican Waters.

A comprehensive rescue and recovery operation is presently in progress in the Caribbean waters for two unlocated boats loaded with humanitarian supplies traveling from Mexico to Cuba.

Naval Search Operations Deployed

Authorities in Mexico has sent naval assets and search planes to locate the two vessels, which were transporting at least nine sailors, according to a official statement.

The vessels had been scheduled to reach Cuba's capital on the early part of the week, but there has been radio silence from them and no confirmation of their arrival, authorities reported.

Context of Relief to the Nation

Cuba has leaned on aid convoys from Mexico over recent weeks, as the nation grapples with widespread national electricity failures.

"The skippers and their teams are experienced sailors, and each boat are outfitted with suitable safety equipment and emergency beacons," a representative for the convoy stated.

The nine crew members are citizens of Poland, France, Cuba and the US. Mexico said it has been in touch with maritime rescue coordination centres from each country along with their diplomatic representatives.

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

Previous Humanitarian Mission

Earlier in the week, the Cuban authorities publicly celebrated and warmly received a separate vessel that had delivered 14 tonnes of relief supplies to the nation.

That boat, called "Granma 2.0" in reference to the vessel in which Castro returned to Cuba to begin the Cuban Revolution in the mid-20th century, brought solar equipment, medicines, formula milk, cycles and foodstuffs.

Wider Political Backdrop

Volunteers and NGOs have been at the forefront of efforts to bring critical assistance to Cuba since January, when a fuel embargo on the Communist-run nation came into effect.

International organizations have since raised alarms about "dire" shortages of supplies, with over 50,000 surgical procedures postponed in Cuba due to power shortages.

Foreign policy pressure have intensified lately, with remarks from various officials highlighting the complex nature of bilateral relations.

Reacting to recent comments, a high-ranking Cuban official declared that "the political system of Cuba is not up for negotiation."

Indications suggest that preliminary steps of talks were initiated, although their present status remains not publicly known.

The Mexican navy affirmed it was pledged to using every available asset at its command to find the boats and ensure the safety of the crews.

At this time, there has been silence on the disappeared vessels by the Cuban government.