A passenger traveling to Asia, left, hands a medical questionnaire to Airman 1st Class Nicole Mourik, 62nd Aerial Port Squadron passenger service specialist, at the Seattle-Tacoma International Airport in Seattle, Wash., April 30, 2020. In order to travel while still preventing the spread of COVID-19, passengers must answer questions about their current health, where they have traveled recently, and whether they work in a medical facility. (U.S. Air Force photo by Senior Airman Tryphena Mayhugh)