Sightings of an unmanned aerial system over Barksdale Air Force Base (BAFB) early on Monday morning resulted in a shelter-in-place order, prompting officials to temporarily raise the threat level at the facility. For a short period, the base’s Force Protection Condition level was temporarily raised to FPCON Charlie, indicating an incident potentially indicative of a form of terrorist activity targeting U.S. personnel or facilities. Text message alerts were sent out regarding the incident shortly before statements were shared on social media, directing base personnel at BAFB to take shelter. Postings on social media shortly thereafter indicated that the threat level...