A National Transportation Safety Board report reveals a New Mexico air ambulance crew lost GPS navigation during a military jamming exercise before striking the Capitan Mountains.
https://www.foxnews.com/politics/fatal-air-ambulance-crash-exposes-growing-gps-danger-facing-us-flights
https://www.foxnews.com/politics/fatal-air-ambulance-crash-exposes-growing-gps-danger-facing-us-flights