Venezuelan President Nicolás Maduro announced on Monday the deployment of 4.5 million militiamen throughout the country after the United States doubled the reward for information leading to his arrest and increased the number of troops sailing around Latin America and the Caribbean.

The U.S. destroyers are expected to patrol the coast of South America, including the waters near Venezuela.

The U.S. military has sent destroyers and thousands of Marines toward Venezuela as President Donald Trump doubles down on deadly drug cartels. At least three Aegis guided-missile destroyers — USS Gravely and USS Jason Dunham among them — are part of the mission,