美厄宣布：联合出兵！

Group 1 - The core viewpoint of the article is that the United States and Ecuador are collaborating on a short-term operation to combat drug trafficking in Ecuador, specifically in the western city of Manta [1][2]. - The operation aims to enhance Ecuador's intelligence gathering and drug trafficking combat capabilities, as part of a long-term bilateral security strategy between the two countries [2]. - Ecuador's President Noboa confirmed the operation, stating it will help identify and dismantle drug trafficking routes [2]. Group 2 - The U.S. previously stationed troops in Manta from 1999 to 2009 under the pretext of anti-drug operations in South America [2]. - A public referendum in Ecuador on November 16 will address the opposition to the establishment of foreign military bases [2].