A Pair of Cuba-Destined Humanitarian Ships Listed Unaccounted For following Departing Mexico.

A extensive search and rescue effort is currently ongoing in the Caribbean Sea for a pair of missing boats transporting relief goods traveling from Mexico to the island of Cuba.

Maritime Rescue Operations Deployed

Mexico has dispatched navy personnel and search planes to find the Friendship and Tigger Moth, which were had on board a minimum of nine total sailors, as stated by a military release.

The vessels had been projected to arrive in Havana on the early part of the week, but there has been radio silence from them and no official word of their arrival, authorities reported.

The Situation of Humanitarian Support to the Island

Cuba has leaned on humanitarian shipments from Mexico over the last several weeks, as the island endures multiple national electricity failures.

"The captains and crews are experienced sailors, and both vessels are equipped with suitable navigational gear and signalling equipment," an official associated with the mission said.

The nine crew members are citizens of Poland, France, Cuba and the US. Mexican authorities said it has opened communications with maritime rescue coordination centres from those nations along with their diplomatic representatives.

"We are working closely with the relevant authorities and continue to be hopeful in the capability of the sailors to make it to Cuba without incident," the statement continued.

Recent Humanitarian Mission

Previously that week, the government in Havana warmly welcomed and greeted with fanfare another boat that had transported 14 tons of relief supplies to the nation.

That ship, called "Granma 2.0" following the name of the vessel in which Castro came back to Cuba to launch the Cuban Revolution in the mid-20th century, brought solar equipment, pharmaceuticals, infant formula, cycles and food.

Wider Geopolitical Backdrop

Non-governmental organizations and volunteers have largely spearheaded efforts to bring critical assistance to Cuba beginning in January, when a energy blockade on the country came into effect.

Global bodies have since raised alarms about ""critical" lack of essential goods, with over fifty thousand surgeries called off in Cuba amid power shortages.

Political tensions have intensified lately, with remarks from different leaders underscoring the complex nature of relations.

In response to recent statements, a high-ranking Cuban official declared that "the socialist system of Cuba is not subject to discussion."

Reports suggest that preliminary steps of talks had begun, although their present status remains not publicly known.

The Mexican navy stated it was pledged to using all of the resources at its reach to locate the vessels and secure the security of the crews.

At this time, there has been no official comment on the disappeared vessels by the Cuban government.