Former astronaut John Blaha (center) receives congratulations on his induction into the U.S. Astronaut Hall of Fame May 3 at NASA's Kennedy Space Center from former inductees Al Worden (left) and Fred Gregory (right). Other inductees were Loren Shriver; Bryan O'Connor, NASA's chief of Safety and Mission Assurance at NASA Headquarters in Washington; and Bob Cabana, center director of NASA's Stennis Space Center in Mississippi. 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.