>> continuously increasing in a left roll. >> did he say he could not turn the agena off? >> he said he had separated from the agena and he did a roll and couldn't stop it. >> the only way to get out was for him to fire his thruster. >> stop the spinning spacecraft before it spun so much that they passed out. >> we got down alive and neil said, i think we'll both have another chance, and we did. >> the week in space. cbs news coverage of astronaut james cernan's gemini 9. 2 1/2-hour walk in space. reporting from the cbs news space center, correspondent walter cronkite. >> the spacewalk is over. the hatch is locked closed again, cernan is safely back in the spacecraft. it was a disappointing spacewalk in a true sense. >> the only thing we did not do well was e.v.a., extravehicular activity. for the last flight of gemini 12