>>> HISTORY HAS BEEN MADE. MORE THAN 400 MILES ABOVE THE EARTH. THE FIRST EVER PRIVATE COMMERCIAL SPACE WALK HAS BEEN COMPLETED FOR THE FOUR PERSON MISSION LED BY BILLIONAIRE TECH CEO JARED ISAAC MIN. IT LASTED ABOUT TWO HOURS AND I'M DELIGHTED THAT CBS NEWS SENIOR NATIONAL CORRESPONDENT MARK STRASSMANN IS HERE TO TALK ABOUT THE POLARIS DAWN MISSION WITH ME. MARK, YOU AND I WERE TALKING DURING THE COMMERCIAL BREAK ABOUT ALL THE WAYS IN WHICH THIS IS REALLY PUSHING US FORWARD. TELL OUR VIEWERS SOME OF THE WAYS IN WHICH THIS WAS A HISTORIC MISSION AND WHERE IT'S PUSHING US FORWARD TO? >> SURE, THE FIRST THING THAT STRUCK ME WATCHING THAT THIS MORNING, IT WAS LIVE STREAMED WAS HOLY SMOKES, WHAT A GEEWHIZ MOMENT. YOU HAD FOUR NONPROFESSIONAL ASTRONAUTS, CIVILIAN ASTRONAUTS IN EFFECT WHO PULLED OFF A SPACEWALK. TWO OF THEM ACTUALLY POKED THEIR HEADS OUT OF THE CAPSULE AND TOOK A LOOK AROUND AND GOT AN INCREDIBLE VIEW. IT WAS AMAZING IN AND OF ITSELF. WHY ARE THEY DOING THIS AND WHY DOES IT MATTER? THE SPACESUITS ARE BRAND-NEW, THE CAPSULE IS BRAND-NEW, THEY ARE TRYING IN THIS NEW COMMERCIAL AEROSPACE TO PUSH FURTHER INTO THE COSMOS. THE NEXT STEP OBVIOUSLY IS MARS, THEN THE NEXT UP IS THE MOON AND BEYOND THAT MOON IS MARS. TO DO THAT, YOU'VE GOT TO DO A SERIES OF BABY STEPS IN ONE OF THESE THINGS AS WE NEED LOTS OF PEOPLE WITH LOTS OF SPACE SUITS THAT FUNCTION IN SPACE THIS WAS ESTABLISHED ESSENTIALLY THAT THE SPACESUITS DO WORK. THAT IT IS POSSIBLE FOR NONPROFESSIONAL ASTRONAUTS TO GO UP THERE AND ACCOMPLISH WHAT THEY ACCOMPLISHED THIS MORNING. >> I LOVE THE IDEA THAT THE SPACES WILL BE NECESSARY FOR PEOPLE TO LIVE ON MARS AS PART OF THEIR FUNCTIONING AND THAT THIS WAS A FIRST STEP TOWARDS THAT. WHAT MORE DO WE KNOW THOUGH ABOUT JARED ISAAC MIN ON THE CREW? I WAS THINKING ABOUT THE FACT THAT THEY DIDN'T HAVE THIS AIRLOCK, SO ALL FOUR OF THEM, EVEN THOUGH THE TWO THAT WERE STILL IN THE CAPSULE AND NOT ACTUALLY TAKING THE SPACEWALK, THEY ARE ALL EXPOSED TO THE ELEMENTS. >> THEY WERE ALL IN SPACESUITS AND THE CAPSULE HAD TO VENT DOWN TO THE VACUUM OF SPACE. CIVILLY EXPOSED TO THE MOST HOSTILE ENVIRONMENT THERE IS ESSENTIALLY. SO IT WAS REMARKABLE THAT ALL FOUR OF THEM WERE PART OF THIS EXPERIENCE. ISAACMAN IS A TECH BILLIONAIRE . HE MAKES THE REST OF US SEEM LIKE, WHAT HAVE YOU BEEN DOING WITH YOUR LIFE? HE FOUNDED HIS FIRST COMPANY WHEN HE WAS IN HIGH SCHOOL, DROPPED OUT OF HIGH SCHOOL. IS WORTH A COUPLE OF BILLION DOLLARS TODAY. AS AN AMERICAN SUCCESS STORY. HE'S PARTIALLY FUNDED THIS MISSION ALONG WITH ELON MUSK FOR THE OTHER THREE, TWO OF THEM , THE TWO WOMEN ON BOARD BOTH WORK FOR SPACEX AND THEN THERE'S ANOTHER GUY WHO SORT OF LIKE ISAACMAN'S BFF IS ALSO PART OF THE MISSION. BUT ALL FOUR HIGHLY ACCOMPLISHED PEOPLE. WHEN THEY PULLED OFF TODAY WAS REALLY A MILESTONE. >> I NEED