NASA Photo ID: S70-34902

Date Taken: 04/14/70

Several persons important to the Apollo 13 mission, at consoles in the Mission Operations Control Room of the Mission Control Center (MCC). Seated at consoles, from left to right, are Astronaut Donald K. Slayton, Director of  Flight Crew Operations; Astronaut Jack R. Lousma, Shift 3 spacecraft communicator; and Astronaut John W. Young, commander of the Apollo 13 back-up  crew. Standing, left to right, are Astronaut Tom K. Mattingly, who was  replaced as Apollo 13 command module pilot after it was learned he may come  down with measles, an