Five Marines Missing After Helicopter Crash: Search and Rescue Efforts Underway

TLDRFive Marines are missing after their helicopter crashed in a snowstorm while flying from an Air Force base to a Marine Corps station. The search and rescue efforts are ongoing, but the difficult weather conditions are hindering progress. The helicopter involved, an ACH 53 East Super Stallion, has had previous mechanical issues and is part of an ongoing investigation. The cause of the crash is unknown at this time.