Two Separate Cuba-bound Humanitarian Sailboats Listed Missing after Setting Sail from Mexican Waters.

A comprehensive search and rescue effort is actively in progress in the Caribbean Sea for a duo of missing boats carrying relief goods journeying from Mexico to Cuba.

Military Search and Rescue Operations Initiated

Mexico has sent naval assets and military search aircraft to search for the Friendship and Tigger Moth, which were had on board at least 9 sailors, per a navy statement.

The vessels had been scheduled to reach Havana on the early part of the week, but there has been no communication from them and zero verification of their safe arrival, the statement clarified.

Background of Aid to the Nation

Cuba has relied heavily on humanitarian shipments from Mexico over recent weeks, as the island endures multiple nationwide blackouts.

"Both skippers and their teams are veteran seafarers, and both vessels are fitted with suitable safety systems and communication devices," an official associated with the mission commented.

The nine crew members are nationals of Poland, France, Cuba and the US. Mexico said it has opened communications with maritime rescue coordination centres from each country along with their consular staff.

"We are working closely with the officials and remain confident in the capability of the sailors to safely arrive in Havana," the official further stated.

Earlier Humanitarian Shipment

Just days before, the Cuban government warmly welcomed and greeted with fanfare a separate vessel that had delivered 14 tonnes of donated goods to the country.

That boat, dubbed "a modern Granma" after the yacht in which the revolutionary leader returned to Cuba to begin the Cuban Revolution in the 1950s, delivered solar panels, medicines, formula milk, bicycles and foodstuffs.

Wider Geopolitical Backdrop

Volunteers and NGOs have primarily led attempts to deliver critical assistance to Cuba since January, a period which saw a oil sanctions on the Communist-run nation was initiated.

Global bodies have since highlighted ""critical" lack of essential goods, with over 50,000 surgeries cancelled in Cuba because of electricity supply constraints.

Foreign policy pressure have intensified over the past months, with comments from several officials emphasizing the delicate nature of diplomatic ties.

In response to certain proposals, a senior official from Cuba insisted that "the political system of Cuba is not up for negotiation."

Indications suggest that early stages of negotiations were initiated, although their current progress remains unclear.

The Mexican navy stated it was dedicated to using every available asset at its reach to find the vessels and guarantee the safety of the crews.

As of now, there has been no public statement on the missing boats by the Cuban government.