Since colliding into a Bolivian mountain in 1985, Eastern Airlines Flight 980 has been frozen inside a glacier perched on the edge of a 3,000-foot drop. With wreckage now melting out of ice at the base of the cliff, Dan Futrell and Isaac Stoner travel to the debris field at 16,000 feet, battling altitude sickness and a roller coaster of emotions in search for 980’s missing flight recorder.