More than 300 future space tourists and civilian researchers from around the world have traveled to the National Aerospace Training and Research (Nastar) Center to test their bodies and minds for the demands of space travel. Nastar has teamed up with the Federal Aviation Administration as well as researchers from UTMB to study the effects of simulated space travel on people with common ailments, such as high blood pressure, heart disease, diabetes, lung disease, asthma, or a history of back or neck problems. They will be strapping volunteers into the Phoenix, the world's most high-fidelity space flight simulator, videotaping their responses and monitoring their vital signs.