, the survivors in the crevasse managed to get the most critically injured climber, a man named chris kernface. selena, a trained paramedic, tends to him. >> he would be in and out of consciousness. his hands were freezing. i had an extra pair of gloves. so i took off his wet gloves to put the dry ones on and i saw his wedding ring. that really made me upset knowing that he had someone that had no idea what was going on, that he might not make it off that mountain. >> then finally, at 12:50 p.m., four hours after the accident, the first national guard blackhawk arrived. it's dangerous flying in the thin air atop the mountain, but the chopper holds steady, lifting two of the most critically injured patients, chris kern and thomas hillman off the mountain. >> the prettiest sight i ever saw was seeing chris going up in the litter and being flown off. weight of the world off my shoulders. >> now jeremiah moffett is the only injured patient left on the slope. but that national guard blackhawk needs to refuel. >> also flying over the summit over the top of the summit is another military helicopt