federal agency responsible for enforcing laws and regulations governing narcotics and controlled substances; goal is to immobilize drug trafficking organizations
a US government organization which makes sure that people and companies obey the laws about dangerous drugs. They try to catch people who bring dangerous drugs into the US and people who sell drugs within the US.
a US government organization which is responsible for making sure that aircraft and AIRPORT s are safe for people to use. There is a similar organization in the UK called the CIVIL AVIATION AUTHORITY .