Recent operations in Iraq and Afghanistan have given the US military an appreciation of both the importance and the challenges of working with and through host nation security forces in the aftermath of major combat operations. Secretary of Defense Robert M. Gates has indicated that these types of efforts will be an ongoing military requirement for the foreseeable future. The US military effort in support of Colombian security forces offers a different and a lesser known experience from which to learn: one that has been long-term, low-key, and seemingly successful. Between 1998 and 2008, Colombian security forces dramatically improved as they moved from what many considered the brink of disaster to being on the verge of victory. This study begins with an overview of the general security situation prior to 1998, then traces Colombian and US efforts during the Pastrana presidency and Plan Colombia, and concludes with the subsequent actions of the Uribe administration. In the final section, the author offers observations from the Colombian experience for those in the US military who will be called on to work with and through host nation security forces in the future.

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The Colombian security situation -- "Change begins today" : the Pastrana presidency : negotiations with the guerrillas and Plan Colombia (1998-2002) -- "Restoring order and security" : the Uribe presidency : democratic security and consolidation (2002-2008) -- Observations from the Colombian security force experience -- Glossary.