Operational Support and Services (OSS) is the largest provider of foreign language immersion training to the U.S. Government.

We have a proven history of providing training, research, and expertise in all areas of international communications and have conducted operations in over 40 countries.

OSS's staff includes many former Foreign Area Officers (FAOs), Intelligence personnel, and Special Operations personnel trained for U.S. Government diplomatic service, arms control negotiations, treaty implementation, and intelligence operations.