all right. nasa is celebrating the one-year anniversary of the rover perseverance arriving on mars. the landmark achievement has been instrumental in giving us here on earth a better understanding of the red planet. now perseverance has a new mission. let s go to cnn s space and defense correspondent kristen fisher for more on this. reporter: the perseverance rover has done exactly what it was designed to do during its first year on mars. it has collected the very first rock samples from another planet is carrying six of them and the goal is that someday a future mission to mars will be able to collect those rock samples, bring them back to soert scies so scientists can study them and search for signs of ancient life. it s also brought the ingenuity helicopter. it was a late addition to this mission and it s flown 19