our pentagon reporter courtney kube has more reporter: tonight, the u.s. marine corp. is still officially labelling four marines as missing after their aircraft crashed friday near norway the mv-22 osprey like the one seen here part of a marine air wing out of camp lajuene, out of north carolina that was taking part in a nato exercise called cold response 22. it went missing amid blizzard-like conditions friday. norway s prime minister tweeted that the four americans died in the crash and extended his sympathies to their loved ones and fellow service members. as the brutal fighting continues in ukraine and tensions remain extremely high in eastern europe, officials say there is no indication the aircraft was shot down cold response is a biannual training exercise that prepares troops for combat and operating in the extreme cold the 30,000 troops from over two dozen countries jump into freezing lakes, ride snowmobiles armed with sniper rifles, and learn how to maintain