Pentagon employees are being told to "shelter-in-place" over an "air quality" concern on Thursday morning.
"The Pentagon has sophisticated systems to ensure the safety of the building and its occupants. Those systems have detected an air quality issue necessitating precautionary measures until we determine its significance," Pentagon spokesman Sean Parnell said in a statement, according to the Washington Post.
"The Department is executing standard protection protocols, including a shelter-in-place order for the affected area. Response teams are in place and ready to support building occupants," he said.
Pentagon spokesman @SeanParnellASW adds:
— Dan Lamothe (@DanLamothe) June 11, 2026
"The Pentagon has sophisticated systems to ensure the safety of the building and its occupants. Those systems have detected an air quality issue necessitating precautionary measures until we determine its significance. The Department is… https://t.co/44PuYoM1I7
The Arlington County Fire Department posted to X that "ACFD units, including our Hazardous Materials Team, are currently operating at the Pentagon in support of PFPA’s Hazmat Team during a hazardous materials incident."
ACFA later noted that the Pentagon Force Protection Agency is leading the way on managing the response.
ACFD units, including our Hazardous Materials Team, are currently operating at the Pentagon in support of PFPA’s Hazmat Team during a hazardous materials incident. pic.twitter.com/7qzOzbwh8W
— Arlington Fire & EMS (@ArlingtonVaFD) June 11, 2026
The situation comes at a hectic time for the United States military, as President Donald Trump announced there would be more strikes on Iran on Thursday night.