tom hanks, kevin bacon. that's the worst case scenario. >> reporter: no humans on board on this one. this is an uncrewed mission. thankfully, no lives at stake, but they've got to get it right. >>> and the danger zone, new concerns about the fighting around europe's largest nuclear power plant. the latest from ukraine ahead. p. the latest from ukraine ahead. my husband and i have never been more active. shingles doesn't care. i go to spin classes with my coworkers. good for you, shingles doesn't care. because no matter how healthy you feel, your risk of shingles sharply increases after age 50. but shingrix protects. proven over 90% effective, shingrix is a vaccine used to prevent shingles in adults 50 years and older. shingrix does not protect everyone and is not for those with severe allergic reactions to its ingredients or to a previous dose. an increased risk of guillain-barré syndrome was observed after getting shingrix. fainting can also happen. the most common side effects are pain, redness and swelli