. >> the man on the streit could have said, that looks crazy.ould develop this statement, it goes like this. great works and great folly may be indistinguishable at the outset. >> reporter: because of the communication time lag, they could not direct the landing from earth. the complex maneuvers were preprogrammed, he and his team could only wait and worry. >> we were just sitting in the control room -- >> reporter: biting your fingernails. >> pacing back and forth trying to remember to breathe. >> reporter: here's animation of the landing. and the actual reaction at mission control. [cheers a [cheers and applause] >> the team celebrated. and then sometime in the wee hours of the morning, i went home, crawled into bed with my wife and wept, because i was spent. i was overwhelmed. >> reporter: you can see the full report on our website, cbsness.com. the overnight news will be right back. ,,,,,,,,,,,,,,,, >>> cancer is the leading cause of death for dogs. some of the cancers that affect man's best friend also affect people. susan spencer reports o