<p>From NASA: John L. Swigert, Jr., left, the Apollo 13 backup crewman being considered as command module pilot in place of Thomas K. Mattingly II because of the latter's exposure to measles, has been training with the prime crew -- James A. Lovell, Jr., center and Fred W. Haise, Jr.
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Image number: KSC-70PC-0081
NASA photographer
1970-04-09
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