Russia's fleet of warships in Cuba poses a "limited threat" to the U.S. mainland and its Navy, an expert said, but the move by Russian President Vladimir Putin is far from unprecedented.

Rear Adm. Mark Montgomery (ret.) told Fox News Digital that U.S. assets in the area are more than capable of outmaneuvering the three warships and lone nuclear submarine that arrived in Cuba on Wednesday. 

"There have been three of these incidents in the past 20 years, so it's a traditional, normal-sized deployment despite being infrequent," Montgomery said, though he did note the inclusion of the submarine is "somewhat more interesting."

The naval ships included three vessels accompanied by small boats. The flagship frigate, adorned with the Russian and Cuban flags, was greeted by 21-cannon salutes in Cuba's Havana Harbor. Sailors in dress uniform stood in military formation as they approached the island.

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Russia's Kazan nuclear-powered submarine arrives at the port of Havana on Wednesday. A fleet of Russian warships reached Cuban waters on Wednesday ahead of planned military exercises in the Caribbean.

Russia's Kazan nuclear-powered submarine arrives at the port of Havana on Wednesday. A fleet of Russian warships reached Cuban waters on Wednesday ahead of planned military exercises in the Caribbean. (AP Photo/Ariel Ley)

The nuclear-powered submarine Kazan arrived soon after the warships. Cuba’s foreign ministry said last week that the ships will be in Havana until June 17.

U.S. Southern Command revealed Thursday that the fast-attack submarine USS Helena is in Guantanamo Bay, Cuba, for a "routine port visit" that was previously planned.

Map shows the locations of 4 Russian warships in Havana Bay and a US warship in Guantanamo Bay, Cuba

Four Russian warships are in Havana Bay, Cuba, Friday, June 14, 2024, as a U.S. warship is in Guantanamo Bay, Cuba. (Fox News)

Montogomery said the Kazan is potentially equipped with hypersonic anti-ship missiles that could pose a threat to U.S. naval assets in the region. The flagship, Admiral Gorshkov, is also in possession of anti-ship cruise missiles. The vessels are not carrying nuclear weapons, Cuba's foreign ministry said.

Nevertheless, Montogomery said he was confident that none of the vessels were capable of hunting down U.S. submarines, saying the opposite is more likely.

The U.S. response will likely be limited to sending scout aircraft and potentially some surface vessels to "shadow" the Russian group as it conducts military exercises in the Caribbean.

This view shows the Russian warship Admiral Gorshkov arriving in Havana on June 12, 2024. Tensions between the United States and Moscow have grown since Russia's invasion of Ukraine. The Biden administration has provided Ukraine with billions of dollars in military aid to fend off Russia.

This view shows the Russian warship Admiral Gorshkov arriving in Havana on June 12, 2024. Tensions between the United States and Moscow have grown since Russia's invasion of Ukraine. The Biden administration has provided Ukraine with billions of dollars in military aid to fend off Russia. (Getty Images)

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Tensions between the United States and Moscow have grown since Russia's invasion of Ukraine. The Biden administration has provided Ukraine with billions of dollars in military aid to fend off Russian attacks.

Russian warship in Cuba

People watch the Russian warship Admiral Gorshkov, part of the Russian naval detachment visiting Cuba, arriving in Havana's harbor on June 12, 2024. (Yamil Lage/AFP via Getty Images)

Photos and descriptions of the four Russian warships in Havana Bay, Cuba

Four Russian warships are in Havana Bay, Cuba, Friday, June 14, 2024. (Fox News)

Russian military and defense doctrine holds Latin America and the Caribbean in an important position, with the sphere seen as under U.S. influence acting as a counterweight to Washington’s activities in Europe, said Ryan Berg, director of the Americas Program at the Washington-based Center for Strategic and International Studies.

"While this is likely little more than provocation from Moscow, it sends a message about Russia’s ability to project power into the Western Hemisphere with the help of its allies, and it will certainly keep the U.S. military on high alert while they are in theater," Berg said.

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On Wednesday, Russian Foreign Minister Sergey Lavrov hosted his Cuban counterpart, Bruno Rodríguez, for talks in Moscow. Lavrov thanked Cuban authorities for their position on Ukraine.