This seems to be a document produced at govt expense and posted on a govt website. I therefore assume copyright restrictions do not apply. I have copied portions verbatim: this does NOT imply that I accept the official version of events.
Instances of Use of United States Armed Forces Abroad, 1798 - 2004
... 1833 -- Argentina. - October 31 to November 15. A force was sent ashore at Buenos Aires to protect the interests of the United States and other countries during an insurrection
1835-36 -- Peru. - December 10, 1835, to January 24, 1836, and August 31 to December 7, 1836. Marines protected American interests in Callao and Lima during an attempted revolution ...
1852-53 -- Argentina. - February 3 to 12, 1852; September 17, 1852 to April 1853. Marines were landed and maintained in Buenos Aires to protect American interests during a revolution ...
1855 -- Uruguay. - November 25 to 29. United States and European naval forces landed to protect American interests during an attempted revolution in Montevideo ...
1859 -- Paraguay. Congress authorized a naval squadron to seek redress for an attack on a naval vessel in the Parana River during 1855. Apologies were made after a large display of force ...
1868 -- Uruguay. - February 7 and 8, 19 to 26. US forces protected foreign residents and the customhouse during an insurrection at Montevideo.
1868 -- Colombia. - April. US forces protected passengers and treasure in transit at Aspinwall during the absence of local police or troops on the occasion of the death of the President of Colombia ...
1890 -- Argentina. A naval party landed to protect US consulate and legation in Buenos Aires ...
1891 -- Chile. - August 28 to 30. US forces protected the American consulate and the women and children who had taken refuge in it during a revolution in Valparaiso ...
1894 -- Brazil. - January. A display of naval force sought to protect American commerce and shipping at Rio de Janeiro during a Brazilian civil war ...
1902 -- Colombia. - April 16 to 23. US forces protected American lives and property at Bocas del Toro during a civil war ...
1986 -- Bolivia. US Army personnel and aircraft assisted Bolivia in anti-drug operations ...
1989 -- Andean Initiative in War on Drugs. On September 15, 1989, President Bush announced that military and law enforcement assistance would be sent to help the Andean nations of Colombia, Bolivia, and Peru combat illicit drug producers and traffickers. By mid-September there were 50-100 US military advisers in Colombia in connection with transport and training in the use of military equipment, plus seven Special Forces teams of 2-12 persons to train troops in the three countries ...
http://www.history.navy.mil/library/online/forces.htm