TWO ASTRONAUT STUCK AT THE INTERNATIONAL SPACE STATION FOR MONTHS AND SAID. THEY DON'T THINK THAT THE AIRCRAFT THEY ARRIVED ON IS SAFE TO TAKE THEM HOME AND TINA HAS MORE ON THE STORY. >> IT DOES NOT SOUND REAL. UNFORTUNATELY, TOO REAL. THEY DEBATED FOR THREE MONTHS BEFORE CONCLUDING THAT WAITING FOR A RIDE HOME, CAP SO WAS THE SAFEST RIDE HOME FOR THESE ASTRONAUTS. >> BACK IN JUNE, LUNCH WILL MORE AND SONNY WILLIAMS WERE ON THE -- THE MANEUVERING OF THRUSTERS. IT IS CRITICAL TO THE RETURN FLIGHT HOME. THE SMALL ENGINES NEED TO FIRE HUNDREDS OF TIMES TO KEEP IT IN THE PRECISE ORIENTATION FOR REENTRY AND THEN TOUCHDOWN. BOEING HAS INSISTED THAT THE STAR LINER IS SAFE. NASA DECIDED THEY DID NOT WANT TO TAKE A CHANCE. SET TO RETURN NEXT MONTH, BUT WITHOUT ITS CREW. >> IT'S DISAPPOINTING THAT NOT COMING HOME ON OUR LINER. BUT THAT IS OKAY. IT IS A TEST FLIGHT. >> TOO MUCH RISK OF THE CREW. >> CONTINUING TO FOCUS FIRST AND FOREMOST ON THE SAFETY OF THE CREW AND SPACECRAFT. WE ARE EXECUTING THE MISSION AS DETERMINED BY NASA. SPACEX HAS A CAPSULE THAT IS SUCH A RETURN NEXT MONTH. THERE IS NOT ROOM FOR THESE TWO ASTRONAUTS ON THAT FLIGHT. THEY WILL HAVE TO WAIT FOR SPACEX NEXT MISSION WHICH IS IN FEBRUARY. ABOUT EIGHT MONTHS THAT THEY ARE THERE. THERE WERE NOT PLANNING ON THAT. >> EIGHT DAYS TO EIGHT MONTHS IS