All passengers arriving at Great Falls International Airport are subject to several security procedures. Transportation Security Administration offers them. TSA security at GTF international airport has its unique rules; every passenger should follow. Arrivals at GTF international airport are required to go through the TSA screening, GTF arrivals are asked to remove their items.
Passengers at GTF international airport are presented to U.S. Customs and Border Protection agents, Arrivals have to answer CBPagents questions honestly, to determine their legal status.