Overview
- A package was opened Thursday in a National Guard building at Joint Base Andrews, leading to evacuations and a security cordon.
- Seven people reported symptoms and were treated at the base’s Malcolm Grow Medical Center before being released after rapid tests found no hazardous material.
- Media citing military sources report the parcel contained an unknown white powder and political propaganda with anti-Trump messaging.
- The Air Force Office of Special Investigations has taken the lead in determining the package’s origin and identifying the substance, which officials have not yet disclosed.
- Flight operations continued without interruption and officials reported no impact on Air Force One or the base’s broader activities.