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CAPE CANAVERAL, Fla. -- Members of the U.S. Astronaut Hall of Fame stand for an ovation following the induction of the newest members (at center): Loren Shriver; Bryan O'Connor, NASA's chief of Safety and Mission Assurance at NASA Headquarters in Washington; John Blaha; and Robert Cabana, center director of NASA's Stennis Space Center in Mississippi. The ceremony was held May 3 at NASA's Kennedy Space Center. Other former astronauts attending included Scott Carpenter, John Young, Bob Crippen, and Walt Cunningham. The U.S. Astronaut Hall of Fame is operated by Kennedy Space Center Visitor Complex on behalf of NASA. CNN correspondent John Zarrella hosted the event.