Claim: Among 23 airports which have participated with the Screening Partnership Program, four airports including Bert Mooney Airport and Glacier Park International Airport, have withdrawn.
Evidence: As of 2016, 23 airports have participated in the SPP. Below is a list of participating airports: Bert Mooney Airport 2015 Bozeman Yellowstone International Airport 2015 Glacier Park International Airport 2015 Yellowstone Airport 2015