Sources say someone at the Malcolm Grow Medical Facility looked out window and saw people with guns and BDUs. They called authorities, not realizing that what they were seeing was a pre-scheduled drill.
"All Clear." The lock down on base has been lifted— Joint Base Andrews (@JBA_NAFW) June 30, 2016
Conflicting reports about what was happening then began to circulate at the base, on social media and among the news media.
Rodney Smith, the patient advocate at the Andrews medical facility, said an active-shooter exercise was scheduled for Thursday morning, and then he was told it was a "real-world" situation. He said he was on lockdown and didn't have any more information.
"First it was an active-shooter exercise. Then it came back 'real world,'" Smith said by phone Thursday morning.
After a hour long lockdown, officials did not find any active shooter and lifted the lockdown.
Joint Base Andrews is about 20 miles outside the nation's capital and is home to Air Force One.
Vice President Joe Biden was scheduled to leave from Andrews on Thursday morning, but his trip for a campaign appearance in Columbus, Ohio was delayed by the lockdown.
The base was scheduled to conduct an active shooter exercise, however, reports of a real-world active shooter situation were reported.— Joint Base Andrews (@JBA_NAFW) June 30, 2016
JBA is currently on lockdown due to a report of an active shooter. All personnel are directed to shelter in place. More info as it comes.— Joint Base Andrews (@JBA_NAFW) June 30, 2016
The incident is ongoing at the Malcolm Grow Medical Facility. First responders are on-scene now. All personnel continue to shelter in place— Joint Base Andrews (@JBA_NAFW) June 30, 2016