The shooter was reportedly spotted in the recently completed National Air and Space Intelligence Center building.
The 88th Air Base Wing confirmed that there was an ongoing incident in a post to its Twitter account.
“At approximately 9:25pm, emergency responders responded to a report of an active shooter in the National Air and Space Intelligence Center in Area A at WPAFB,” they wrote.
“Security Forces are currently sweeping the building. The base is on lockdown.”