Alan Shepard explosion caused the moon landing to be aborted and nearly resulted in the loss of the crew. It became a joke between Shepard and Lovell, who would offer to give Shepard back the mission each time they bumped into each other. The failure of Apollo 13 delayed Apollo 14 until 1971 so that modifications could be made to the spacecraft. The target of the Apollo 14 mission was switched to the Fra Mauro formation, the intended destination of Apollo 13. Shepard made his second space flight as Commander of Apollo 14 from January 31 to February 9, 1971. It was
Apollo 6 spacecraft only entered the atmosphere at a speed of instead of the planned of a lunar return. However, this had been demonstrated on Apollo 4. Ten hours after launch, it landed from the planned touchdown point in the North Pacific Ocean north of Hawaii, and was lifted on board the USS "Okinawa". The S-IVB's orbit decayed three weeks later, and it reentered the atmosphere on April 25, 1968. Although Apollo 6 did not reach full translunar velocities in either direction, it was considered successful enough to fly astronauts on the next Saturn V, which in addition was tasked to send