they'd been invited to a charity summer camp hosted by nathan schmidt, an american marine who knows all well the bereavement of war. mountain climbing was schmidt's path to recovery from three combat tours in iraq. and so when vladimir putin launched his attack on an innocent people, schmidt offered ukraine what seemed like an impossible hope, that in only six days in the alps, he could teach grieving families to rise. the journey to an austrian hotel ended at 3:00 in the morning after 45 hours on the road. so the trip already felt like a mistake to widows who packed enough skepticism to last the week. their husbands died defending ukraine, among the estimated 70,000 ukrainian soldiers killed. time stopped for natalia zaremba and her two young boys. she told us -- [ speaking in a global language ] >> reporter: "i think they still don't believe what happened. just like me, they're still waiting for daddy to come home from work." for daddy to fly home to 8-year-old illia and 5-year-old andrii, who imagined mastering the air like their dad. mykhailo zaremba was a navy pilot shot down may 2

. >> just wanted to wish blessing to count this weekend, meet nathan schmidt's camp of climbers.re widows of the