In Nicaragua, the military is responsible for defending Nicaragua’s independence, sovereignty, and territory; it also has some domestic security responsibilities, including border security, assisting the police, protecting natural resources, and providing disaster relief and humanitarian assistance; Nicaragua has defense ties with Cuba, Venezuela, and Russia; Russia has provided training support and equipment; in 2025, Nicaragua signed an agreement of “mutual protection” with Russia

the modern Army of Nicaragua was created in 1979 as the Sandinista Popular Army (1979-1984); prior to 1979, the military was known as the National Guard, which was organized and trained by the US in the 1920s and 1930s; the first commander of the National Guard, Anastasio SOMOZA GARCIA, seized power in 1937 and ran the country as a military dictator until his assassination in 1956; his sons ran the country either directly or through figureheads until the Sandinistas came to power in 1979; the defeated National Guard was disbanded by the Sandinistas (2025)