ROCKAWAY - Two civilian U.S. Army employees were injured in an explosion at a military facility in Morris County, officials said in a statement.

The incident happened at around 11 a.m. Wednesday at Picatinny Arsenal.

The employees are explosives technicians who were conducting research on a submunition, which is part of a larger explosive device.

One of the employees was taken to a hospital via helicopter and the other was transported by ambulance. Both sustained injuries that were not life-threatening, according to the statement.

The incident remains under investigation and all explosives-related operations have been suspended.

Picatinny Arsenal is a research facility that specializes in the development of weapons and ammunition. It is located on nearly 6,500 acres in Morris County.