Stateside Department of the Air Force Protective Services Operations were bolstered in April 2020 with the consolidation of Security Forces personnel under the 1st Field Investigation Squadron, headquartered in Quantico, Virginia. The integration of personnel from both career fields enhances PSO capabilities at 1st FIS, whose mission is to provide full-spectrum, protective security support to the Department of Defense, Air Force senior leaders and visiting foreign dignitaries. Historically, Air Force protection teams were comprised largely of OSI agents, with a limited number of security fo...