Source: http://news.discovery.com/space/history-...

On Oct. 22, 1968, Apollo 7 splashed down in the Atlantic Ocean after 11 days in space. Though often overlooked, Apollo 7 was a significant mission. This first manned mission after the Apollo 1 fire not only got got NASA back on track to the moon, it proved the Apollo Block II spacecraft was fit to fly and become the workhorse of the whole program. Unfortunately, the mission was also marked by high tensions between the crew and mission control that took a toll on the astronauts’ futures.