210414-F-WR604-0031
SCHRIEVER AIR FORCE BASE, Colo. -- Staff Sgt. Shalahn Fisher, 50th Security Forces Squadron investigator, interviews witnesses, Maj. Rachel Langley, 310th Aerospace Medicine Flight surgeon, left, and Staff Sgt. Mica Contreras, 310th Aerospace Medicine Flight medical technician, during an active-shooter exercise at Schriever Air Force Base, Colorado, April 14, 2021. The Peterson-Schriever Garrison conducted a multi-day exercise with each day focusing on a different installation. On April 14, the exercise was staged at the 310th Space Wing headquarters and held to evaluate the response and effectiveness of Schriever AFB's emergency response agencies. (U.S. Space Force photo by Dennis Rogers)