Allied with US In addition to Trinidad and Tobago, on 19 November, CNN described the Dominican Republic, El Salvador, Guyana, Panama, and Puerto Rico as supportive of the US military effort, and Argentina, Ecuador, and Paraguay as having "shown political support". The United Kingdom stated they provided logistical support to the US forces in apprehending a sanctioned vessel.
Dominican Republic Collaborative efforts between the
Dominican Republic and US anti-drug agencies have been conducted, recovering numerous packages of cocaine. On 26 November, during a meeting with Hegseth, Dominican president
Luis Abinader granted the US temporary authorization to use
San Isidro Air Base and the
Las Americas International Airport for its counter-narcotics operations. By mid-December, the US had moved more specialized military assets to Puerto Rico and the Dominican Republic that would support targeted land strikes, seizures of oil tankers or enforcement of an oil embargo. TheWarZone.com described the addition of refueling and search and rescue aircraft as "moving into a posture ... for tactical air combat operations over hostile territory"; the deployment of
EA–18G Growlers as "indicative of what one would see in the lead-up to a kinetic operation centered heavily on strikes on targets in inland areas" with "electronic warfare support for platforms launching standoff attacks or penetrating through enemy air defenses"; According to
The War Zone, the P-8 is the "most advanced maritime patrol aircraft in the world and is specifically capable of collecting multiple types of intelligence to find small targets in vast bodies of water". Trinidad and Tobago announced additional joint training drills with US Marines in November. In late November, the US installed a radar system in the island nation, which is useful for aerial surveillance. In December, Trinidad and Tobago approved military aircraft from the US to use the country's airports for operations that are "logistical in nature, facilitating supply replenishment and routing personnel rotations", according to its foreign ministry.
United Kingdom The
Royal Air Force (RAF) provided surveillance and reconnaissance support, with an RAF surveillance plane tracked over the area where a Russian-linked tanker,
Bella 1, was seized by US forces in January 2026. The UK provided one of its largest naval supply ships, the
RFA Tideforce to support the US seizure of
Bella 1 (renamed
Marinera) in the North Atlantic, and UK military bases in the Atlantic were used by US planes and military assets involved in the operation.
Allied with Venezuela The Washington Post wrote in October that Maduro had written to Russia's
Vladimir Putin, asking for help with "defensive radars, military aircraft repairs and potentially missiles", and that Maduro had contacted "China and Iran, soliciting military assistance and equipment to strengthen the country's defenses". According to
The Wall Street Journal, China and Russia are "Maduro's two most powerful allies" and they have "previously provided military equipment, maintenance and training, say analysts, along with economic assistance",
Cuba Cuba has contributed security and counterintelligence to Venezuela's Maduro since before the US military buildup; that support has expanded during the buildup to include more bodyguards, security and counterintelligence officers, who are considered less likely to rise against Maduro. The government of Cuba said 32 citizens were killed engaging in "direct combat" in Venezuela during the 3 January
capture of Maduro.
Iran Iran has provided technical assistance to Venezuela's oil industry during the
crisis in Venezuela, but is considered weakened by internal issues with limited ability to support abroad, according to
The New York Times. Petro has called for a negotiated settlement. ==Analysis==