Group 1 - Delta Air Lines has suspended its airport escorts and red coat services for members of Congress and their staff due to the ongoing partial shutdown of the Department of Homeland Security [1][2] - The suspension follows Delta CEO Ed Bastian's criticism of Congress for not authorizing pay for Transportation Security Administration (TSA) agents during the shutdown [2] - Delta emphasized that taking care of its people and customers is a top priority, but this has become increasingly challenging in the current environment [3] Group 2 - The suspension of services comes amid reports of long security lines at U.S. airports, including major hubs like Atlanta, due to elevated absences of TSA agents who are missing their second full paycheck [4]