The Federal Air Marshal Service (FAMS) will close six of its field offices; including, the one in Cleveland.
Air Marshals travel undercover on domestic and international flights to prevent terrorist attacks.
CBS News obtained an internal email sent to staff on Friday by Federal Air Marshal Director Robert Bray.
The e-mail stated the he San Diego and Tampa field offices will close by the end of 2014. The Pittsburgh and Phoenix field offices will close by June 2015. And, the Cleveland and Cincinnati field offices are slated to close by June 2016.
The email also says the Las Vegas, Seattle, and Denver offices will be "assessed regularly, from the perspective of risk, intelligence, and industry trends" and "staffing levels in these offices will not be increased."
There are currently 26 field offices located in cities across the country near most major airports.