The National Liberation Army (NLA) is a militant group that operates primarily in Colombia. The group was formed in the 1960s and has been responsible for a number of kidnappings, assassinations, and bombings. The NLA is also known by several other names, including the Ejercito de Liberación Nacional (ELN), the Liberation Army of the Nation, and the Army of National Liberation. Other possible synonyms for the NLA might include guerilla group, leftist rebel organization, or insurgent force. All of these terms refer to organizations that use violent means to advance their political or ideological agendas, often in opposition to established governments or ruling powers.