Two Apollo 13 astronauts and its Mission Control flight director are to speak at the University of Arkansas about the flight, its problems and the eventual safe return to Earth.
Flight Capt. James Lovell, lunar module pilot Fred Haise and flight director Gene Krantz are to speak April 23 in Bud Walton Arena as part of the student Distinguished Lecture Series. The third astronaut on the flight - Jack Swigert - died in 1982.
Apollo 13 launched April 11, 1970, intended to be the third NASA mission to land men on the moon. But an oxygen tank exploded, crippling the spacecraft.