What was the question for this implicit rationale, and corresponding answer?
Apollo 13 was a failed Moon landing in which the crew had faulty oxygen resources. All of the Apollo 13 crew returned safely to earth. The Challenger was a space shuttle that malfunctioned, killing all seven passengers. The Space Shuttle Columbia disaster had seven casualties.
The answer: yes
The question: Were deaths from Apollo 13 mission eclipsed by other space missions?