US Marines have announced that an investigation has been launched into a shooting incident which took place at California Base earlier in the day.
They said that a suspected shooter has been transported to a hospital.
Reports about an active shooter at Marine Corps Air Ground Combat Center first emerged about 06:30 am.
The Marine Corps Air Ground Combat Center (MCAGCC) is the largest US Marine Corps base. It is located next to the city of Twentynine Palms in California's San Bernardino County.