An airman with the U.S. Air Force 4th Tactical Fight Wing's civil engineering squadron was killed Saturday in a vehicle accident, military officials said.

The airman's name was withheld pending notification of relatives. He was stationed at Seymour Johnson Air Force Base, N.C., before being deployed as part of Operation Desert Shield, officials said.The early morning accident occurred at an air base in Saudi Arabia, and the Air Force is investigating.

The airman was the 50th U.S. serviceman to die since the deployment began. Of those deaths, two were from natural causes and one was a suicide. The rest were in accidents.