What is the abbreviation for Federal Air Marshal?

The abbreviation for Federal Air Marshal is FAM. This acronym stands for "Federal Air Marshal," which is a law enforcement officer position within the Transportation Security Administration (TSA) in the United States. Federal Air Marshals are responsible for ensuring the security of commercial flights, acting as a deterrent against terrorism and other criminal activity on aircraft.

The other options, while they may appear similar, do not accurately represent the official designation of Federal Air Marshals. For instance, FAMR could be misconstrued as implying a more specific or differing role, whereas FAMU and FAMA do not correspond to any recognized terms related to Federal Air Marshals. Therefore, FAM is the accurate and widely accepted abbreviation.