S.RES.591: A resolution recognizing the National Aeronautics and Space Administration (NASA) for the historic touchdown of the Phoenix Mars Lander during its 50th anniversary year.

Recognizes: (1) the National Aeronautics and Space Administration (NASA) for 50 years of scientific and technological excellence; (2) NASA for the historic landing of the Phoenix Mars Lander on May 25, 2008; (3) the importance of the Phoenix mission to NASA's long-term Mars Exploration Program; (4) the importance of contributions made by NASA Glenn Research Center to the NASA space program, including to Mars and moon missions; and (5) the importance of NASA's Human Research Program, and Glenn Research Center's contributions to such program, to the health and safety of all NASA astronauts.