Aviation and Airport Security Practice Test.

The other options, the FBI, Interpol, and USPIS, are all involved in law enforcement but do not specifically handle relations between the U.S. Government and Interpol. The FBI focuses on domestic investigations and intelligence, while Interpol is an international organization that facilitates cooperation between law enforcement agencies from different countries. USPIS, or the United States Postal Inspection Service, is responsible for protecting the U.S. Postal Service and its employees, and does not have a role in promoting relations with Interpol.

The answer C, USNCB, is the United States National Central Bureau of Interpol, which serves as the designated point of contact for the U.S. Government with Interpol and is responsible for coordinating activities and information sharing between the two entities. This agency serves as an important bridge between the U.S. Government and Interpol, promoting cooperation and partnerships in combating transnational crime